Scheduling deals with determining the timing and order of operations or jobs. There are different types of sequencing rules that can be used for scheduling, including both local rules that consider a single resource and global rules that look at the entire job. When scheduling across multiple resources, Johnson's rule aims to minimize the makespan by sequencing tasks based on their processing times on each resource. For employee scheduling, a common heuristic is to assign workers days off starting with the days that require the fewest workers, aiming to provide full-time employees with at least 5 work days and consecutive days off when possible.
Sequencing Jobs with Priority Rules.pptxE Concepts
Watch the video lecture on this PowerPoint topic by going to the below link:
https://youtu.be/HTEdlvag2SQ
This slide is about job sequencing in a manufacturing operation with priority rules as mentioned;
First Come First Served
Earliest Due Date
Shortest Processing Time
Longest Processing Time
Thinking fast and performing with focus publicTed Steinmann
Basic principles of system 1 and system 2 thinking and how to use our innate tendencies, along with the GTD methodology, to increase productivity and reduce the stress and anxiety that often surrounds basic correspondence and tasks -- so that you can free your mind to perform at it's best and most focused when you need it to. Also touches on the Pomodro Technique and the concept of maker/manager schedules to help structure your day and reel in your evening.
How to practically increase the flow efficiency in your team via established lean principles. A quick comparison of Waterfall, Scrum and LeanKanban methods.
The presentation covers concepts such as Tragedy of Commons, Little's Law, SLA, Lead Time, Cycle Time, WIP-limits, Fast feedback loops, Stop Starting & Start Finishing.
Presentation given at EEA (www.eea.europa.eu) as part of a training for our Taskman software (redmine).
flow shop sequencing, job shop sequencing,
Types of sequencing problems
Case 1: Processing of ‘n’ jobs through one machine
Case 2: Processing of n jobs and two machines A and B, all jobs processed in the order AB.
Case 3: Processing of n jobs and three machines A, B and C all jobs processed in the order ABC
Case 4: Processing of n jobs and m machines.
Case 5: Processing of 2 jobs m machine
Mark Richardson's Time Management WorkshopSurefire Local
Mastering something we all want more of—TIME—is a challenge! As an Author, keynote speaker and lifetime remodeler, Mark Richardson has mentored several successful business owners over the years and is considered by many to be a master of time management.
During this workshop, Mark shares insights on:
Understanding time today: Why it’s important; the difference between efficiency and effectiveness; proactive vs. reactive time
How to establish a time mastery system to take back control of your day
Time-tested tactics that help avoid common mistakes that cost time
Companies need to add a critical measure of success to their operational analysis package. They need to understand and calculate inventory turns and to use that data to drive rapid throughput from receiving to shipping. Stacks of inventory at any stage in the process represent large financial losses.
Sequencing Jobs with Priority Rules.pptxE Concepts
Watch the video lecture on this PowerPoint topic by going to the below link:
https://youtu.be/HTEdlvag2SQ
This slide is about job sequencing in a manufacturing operation with priority rules as mentioned;
First Come First Served
Earliest Due Date
Shortest Processing Time
Longest Processing Time
Thinking fast and performing with focus publicTed Steinmann
Basic principles of system 1 and system 2 thinking and how to use our innate tendencies, along with the GTD methodology, to increase productivity and reduce the stress and anxiety that often surrounds basic correspondence and tasks -- so that you can free your mind to perform at it's best and most focused when you need it to. Also touches on the Pomodro Technique and the concept of maker/manager schedules to help structure your day and reel in your evening.
How to practically increase the flow efficiency in your team via established lean principles. A quick comparison of Waterfall, Scrum and LeanKanban methods.
The presentation covers concepts such as Tragedy of Commons, Little's Law, SLA, Lead Time, Cycle Time, WIP-limits, Fast feedback loops, Stop Starting & Start Finishing.
Presentation given at EEA (www.eea.europa.eu) as part of a training for our Taskman software (redmine).
flow shop sequencing, job shop sequencing,
Types of sequencing problems
Case 1: Processing of ‘n’ jobs through one machine
Case 2: Processing of n jobs and two machines A and B, all jobs processed in the order AB.
Case 3: Processing of n jobs and three machines A, B and C all jobs processed in the order ABC
Case 4: Processing of n jobs and m machines.
Case 5: Processing of 2 jobs m machine
Mark Richardson's Time Management WorkshopSurefire Local
Mastering something we all want more of—TIME—is a challenge! As an Author, keynote speaker and lifetime remodeler, Mark Richardson has mentored several successful business owners over the years and is considered by many to be a master of time management.
During this workshop, Mark shares insights on:
Understanding time today: Why it’s important; the difference between efficiency and effectiveness; proactive vs. reactive time
How to establish a time mastery system to take back control of your day
Time-tested tactics that help avoid common mistakes that cost time
Companies need to add a critical measure of success to their operational analysis package. They need to understand and calculate inventory turns and to use that data to drive rapid throughput from receiving to shipping. Stacks of inventory at any stage in the process represent large financial losses.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
TECHNICAL TRAINING MANUAL GENERAL FAMILIARIZATION COURSEDuvanRamosGarzon1
AIRCRAFT GENERAL
The Single Aisle is the most advanced family aircraft in service today, with fly-by-wire flight controls.
The A318, A319, A320 and A321 are twin-engine subsonic medium range aircraft.
The family offers a choice of engines
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Final project report on grocery store management system..pdfKamal Acharya
In today’s fast-changing business environment, it’s extremely important to be able to respond to client needs in the most effective and timely manner. If your customers wish to see your business online and have instant access to your products or services.
Online Grocery Store is an e-commerce website, which retails various grocery products. This project allows viewing various products available enables registered users to purchase desired products instantly using Paytm, UPI payment processor (Instant Pay) and also can place order by using Cash on Delivery (Pay Later) option. This project provides an easy access to Administrators and Managers to view orders placed using Pay Later and Instant Pay options.
In order to develop an e-commerce website, a number of Technologies must be studied and understood. These include multi-tiered architecture, server and client-side scripting techniques, implementation technologies, programming language (such as PHP, HTML, CSS, JavaScript) and MySQL relational databases. This is a project with the objective to develop a basic website where a consumer is provided with a shopping cart website and also to know about the technologies used to develop such a website.
This document will discuss each of the underlying technologies to create and implement an e- commerce website.
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Quality defects in TMT Bars, Possible causes and Potential Solutions.PrashantGoswami42
Maintaining high-quality standards in the production of TMT bars is crucial for ensuring structural integrity in construction. Addressing common defects through careful monitoring, standardized processes, and advanced technology can significantly improve the quality of TMT bars. Continuous training and adherence to quality control measures will also play a pivotal role in minimizing these defects.
Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Explore the innovative world of trenchless pipe repair with our comprehensive guide, "The Benefits and Techniques of Trenchless Pipe Repair." This document delves into the modern methods of repairing underground pipes without the need for extensive excavation, highlighting the numerous advantages and the latest techniques used in the industry.
Learn about the cost savings, reduced environmental impact, and minimal disruption associated with trenchless technology. Discover detailed explanations of popular techniques such as pipe bursting, cured-in-place pipe (CIPP) lining, and directional drilling. Understand how these methods can be applied to various types of infrastructure, from residential plumbing to large-scale municipal systems.
Ideal for homeowners, contractors, engineers, and anyone interested in modern plumbing solutions, this guide provides valuable insights into why trenchless pipe repair is becoming the preferred choice for pipe rehabilitation. Stay informed about the latest advancements and best practices in the field.
Courier management system project report.pdfKamal Acharya
It is now-a-days very important for the people to send or receive articles like imported furniture, electronic items, gifts, business goods and the like. People depend vastly on different transport systems which mostly use the manual way of receiving and delivering the articles. There is no way to track the articles till they are received and there is no way to let the customer know what happened in transit, once he booked some articles. In such a situation, we need a system which completely computerizes the cargo activities including time to time tracking of the articles sent. This need is fulfilled by Courier Management System software which is online software for the cargo management people that enables them to receive the goods from a source and send them to a required destination and track their status from time to time.
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2. Production Planning Process
Process Planning
Strategic Capacity Planning
Aggregate Planning
Master Production Scheduling
Material Requirements Planning
Order Scheduling Weekly Workforce &
Customer Scheduling
Daily Workforce &
Customer Scheduling
Long
Range
Medium
Range
Short
Range
Manufacturing Services
4. Scheduling
Deals with the timing of operations
Specifies when resources are needed to
produce a product or provide a service
Helps us decide what order to perform jobs
All organizations perform scheduling to
some extent…
6. Types of Sequencing Rules
Sequencing jobs at a single resource
Sequencing jobs across multiple resources
7. Sequencing Rules (Single Resource)
Local
First Come First Served
Last Come First Served
Shortest Processing Time
Longest Processing Time
Earliest Due Date
Global
Slack Per Remaining Operation
Critical Ratio
Last class
8. Sequencing Rules (Single Resource)
Local
First Come First Served
Last Come First Served
Shortest Processing Time
Longest Processing Time
Earliest Due Date
Global
Slack Per Remaining Operation
Critical Ratio
9. Global Rules
Consider more than current operation
Look at work at other work centers that needs
to be completed before the job is done
10. Types of Sequencing Rules
Sequencing jobs at a single resource
Sequencing jobs across multiple resources
11. Scheduling Across Multiple Resources
Previous rules considered scheduling
(sequencing) jobs at one resource
How can we schedule jobs across
multiple resources??
12. Two resource problems
Suppose you work with a classmate, Kim on all projects
4 3 5 4 2
2 6 3 5 1
In each project you do the research, then Kim writes the report
Processing time (you):
Processing time (Kim):
You want to complete all projects asap
What should be the order
for the projects?
13. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
1. Find the smallest processing time
• If its on the 1st machine, assign the task at the beginning
of the sequence and eliminate it from further consideration
Processing time (you):
Processing time (Kim):
What order should you
do the projects in?
• If its on the 2nd machine, assign the task at the end
of the sequence and eliminate it from further consideration
2. Repeat step 1 for all unassigned tasks
Sequences tasks to minimize makespan
14. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
1. Find the smallest processing time
• If its on the 1st machine, assign the task at the beginning
of the sequence and eliminate it from further consideration
Processing time (you):
Processing time (Kim):
• If its on the 2nd machine, assign the task at the end
of the sequence and eliminate it from further consideration
2. Repeat step 1 for all unassigned tasks
Sequence
English
Sequences tasks to minimize makespan
15. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
1. Find the smallest processing time
• If its on the 1st machine, assign the task at the beginning
of the sequence and eliminate it from further consideration
Processing time (you):
Processing time (Kim):
• If its on the 2nd machine, assign the task at the end
of the sequence and eliminate it from further consideration
2. Repeat step 1 for all unassigned tasks
Sequence
English
Management
Sequences tasks to minimize makespan
16. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
1. Find the smallest processing time
• If its on the 1st machine, assign the task at the beginning
of the sequence and eliminate it from further consideration
Processing time (you):
Processing time (Kim):
• If its on the 2nd machine, assign the task at the end
of the sequence and eliminate it from further consideration
2. Repeat step 1 for all unassigned tasks
Sequence
English
Management
Finance
Sequences tasks to minimize makespan
17. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
1. Find the smallest processing time
• If its on the 1st machine, assign the task at the beginning
of the sequence and eliminate it from further consideration
Processing time (you):
Processing time (Kim):
• If its on the 2nd machine, assign the task at the end
of the sequence and eliminate it from further consideration
2. Repeat step 1 for all unassigned tasks
Sequence
English
Management
Finance
Marketing
Sequences tasks to minimize makespan
18. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
1. Find the smallest processing time
• If its on the 1st machine, assign the task at the beginning
of the sequence and eliminate it from further consideration
Processing time (you):
Processing time (Kim):
• If its on the 2nd machine, assign the task at the end
of the sequence and eliminate it from further consideration
2. Repeat step 1 for all unassigned tasks
Sequence
English
Management
Finance
Marketing
Accounting
Sequences tasks to minimize makespan
19. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
Processing time (you):
Processing time (Kim):
Sequence
English
Management
Finance
Marketing
Accounting
You
Kim
Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Sequences tasks to minimize makespan
20. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
Processing time (you):
Processing time (Kim):
Sequence
English
Management
Finance
Marketing
Accounting
You
Kim
Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Sequences tasks to minimize makespan
21. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
Processing time (you):
Processing time (Kim):
Sequence
English
Management
Finance
Marketing
Accounting
You
Kim
Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Sequences tasks to minimize makespan
22. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
Processing time (you):
Processing time (Kim):
Sequence
English
Management
Finance
Marketing
Accounting
You
Kim
Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Sequences tasks to minimize makespan
23. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
Processing time (you):
Processing time (Kim):
Sequence
English
Management
Finance
Marketing
Accounting
You
Kim
Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Sequences tasks to minimize makespan
24. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
Processing time (you):
Processing time (Kim):
Sequence
English
Management
Finance
Marketing
Accounting
You
Kim
Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Sequences tasks to minimize makespan
25. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
Processing time (you):
Processing time (Kim):
Sequence
English
Management
Finance
Marketing
Accounting
You
Kim
Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Sequences tasks to minimize makespan
26. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
Processing time (you):
Processing time (Kim):
Sequence
English
Management
Finance
Marketing
Accounting
You
Kim
Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Sequences tasks to minimize makespan
27. Two resource problems
Johnson’s Rule
4 3 5 4 2
2 6 3 5 1
Processing time (you):
Processing time (Kim):
Sequence
English
Management
Finance
Marketing
Accounting
You
Kim
Period 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
Idle time
Sequences tasks to minimize makespan
28. More Than 2 Resources
Optimal methods don’t exist to
minimize makespan
Heuristics
CDS Heuristic
29. Sequencing Rules
Local
FCFS
LCFS
SPT
LPT
EDD
Global
SPO
CR
Single Resource Multiple Resources
2 resources
Johnson’s rule
> 2 resources
heuristics
When should you choose
one rule over another??
30. Guidelines for Selecting a Sequencing Rule
1. SPT most useful when shop is highly congested
2. Use SPO for periods of normal activity
3. Use EDD when only small tardiness values can be
tolerated
4. Use FCFS when operating at low-capacity levels
31. Employee Scheduling
Labor is very flexible resource
Scheduling workforce is
complicated repetitive task
Heuristics commonly used
We’ll cover one simple one today…
32. Employee Scheduling Heuristic
Let N = no. of workers available
Di = demand for workers on day i
1. Assign the first N - D1 workers day 1 off.
Assign the next N - D2 workers day 2 off.
Continue in a similar manner until all days are scheduled.
2. If number of workdays for full time employee < 5, assign
remaining workdays so consecutive days off are possible.
• Assign any remaining work to part-time employees.
3. If consecutive days off are desired, consider switching
schedules among days with the same demand requirements.
33. Example
DAY OF WEEK M T W TH F SA SU
MIN NO. OF
WORKERS REQUIRED 3 3 4 3 4 5 3
Taylor
Smith
Simpson
Allen
Dickerson
34. DAY OF WEEK M T W TH F SA SU
MIN NO. OF
WORKERS REQUIRED 3 3 4 3 4 5 3
Taylor
Smith
Simpson
Allen
Dickerson
N = 5
D1 = D2 = D3 = D4 = D5 = D6 = D7 =
N – D1 = 5 – 3 = 2
X = day working
O = day off 1. Assign the first N - D1 workers day 1 off.
Assign the next N - D2 workers day 2 off.
Continue in a similar manner until all days are have been scheduled.
35. DAY OF WEEK M T W TH F SA SU
MIN NO. OF
WORKERS REQUIRED 3 3 4 3 4 5 3
Taylor O X X O X X X
Smith O X X O X X X
Simpson X O X X O X X
Allen X O X X X X O
Dickerson X X O X X X O
1. Assign the first N - D1 workers day 1 off.
Assign the next N - D2 workers day 2 off.
Continue in a similar manner until all days are have been scheduled.
N – D2 = 5 – 3 = 2
36. DAY OF WEEK M T W TH F SA SU
MIN NO. OF
WORKERS REQUIRED 3 3 4 3 4 5 3
Taylor O X X O X X X
Smith O X X O X X X
Simpson X O X X O X X
Allen X O X X X X O
Dickerson X X O X X X O
5
5
5
5
5
Work
days
2. If number of workdays for full time employee < 5,
assign remaining workdays so consecutive days off are possible.
37. DAY OF WEEK M T W TH F SA SU
MIN NO. OF
WORKERS REQUIRED 3 3 4 3 4 5 3
Taylor O X X O X X X
Smith O X X O X X X
Simpson X O X X O X X
Allen X O X X X X O
Dickerson X X O X X X O
3. If consecutive days off are desired, consider switching
schedules among days with the same demand requirements.
Completed schedule satisfies requirements
but has no consecutive days off.
38. DAY OF WEEK M T W TH F SA SU
MIN NO. OF
WORKERS REQUIRED 3 3 4 3 4 5 3
Taylor O X X O X X X
Smith O X X O X X X
Simpson X O X X O X X
Allen X O X X X X O
Dickerson X X O X X X O
3. If consecutive days off are desired, consider switching
schedules among days with the same demand requirements.
39. DAY OF WEEK M T W TH F SA SU
MIN NO. OF
WORKERS REQUIRED 3 3 4 3 4 5 3
Taylor O O X X X X X
Smith O O X X X X X
Simpson X X X O O X X
Allen X X X O X X O
Dickerson X X O X X X O
The revised schedule satisfies requirements
with consecutive days off for most employees.
3. If consecutive days off are desired, consider switching
schedules among days with the same demand requirements.