SlideShare a Scribd company logo
1 of 5
PRE FACE
In the dynamic landscape of civil technology, a workshop unfolds, intricately weaving
together safety, craftsmanship, and the science of construction. The journey commences with a
paramount focus on safety within the workshop environment, ensuring that participants are well-
versed in protocols, protective gear usage, and emergency procedures, fostering a secure working
milieu. Transitioning to the heart of craftsmanship, participants are introduced to the artistry of
woodworking and carpentry, navigating the tools and techniques that serve as the building blocks
of these trades. A foundational understanding of wood itself follows, delving into its properties,
diverse types, and the nuanced process of selecting the right wood for specific projects. Carpentry
takes center stage, unveiling basic principles and terminology that lay the groundwork for skilled
craftsmanship.
The exploration then ascends to the intricacies of constructing wood floor systems,
balancing elegance with structural functionality. The focus shifts skyward to the critical elements
of roofing systems, encompassing various roof frames and their diverse applications in
construction projects. The journey through the workshop also involves a meticulous examination
of wood joinery techniques, splicing methods, and the innovative use of glue laminated lumber.
Timber framing, a harmonious blend of tradition and modernity, emerges as a fascinating study in
constructing robust structural frameworks. The educational voyage culminates with a detailed
exploration of staircase design, emphasizing the precision required in layout and installation for
both safety and functionality.
This comprehensive workshop equips participants with a multifaceted understanding of
safety practices, the artistry of woodworking and carpentry, and the pivotal elements that shape
construction projects within the realm of civil technology. It lays a solid foundation for future
endeavors in this dynamic and vital field.
TABLE OF CONTENTS
Content Page
Introduction…………………………………………………………………...........................1
LESSON 1: Safety In the Workshop……………..……………………………………..…..1
Personal Protection Equipment……………………………………………………..….4
Personal Protective Equipment……………………………………………………...…5
Basic Safety Rules…………………………………………...………………….……..6
Responsibilities……………………………………..……………………………….....6
Power Tools…………………………………………………………………….…..….6
General Safety Guidelines for Power Tools …………………………………………..6
Spark Resistant Tools……………………………………………………….…………7
LESSON 2: Introduction to Technical Drafting………………………………...…….….10
Drawing and its importance………………………………………………………….11
Division of drawing………………………………………………………………….11
Types of drawing…………………………………………………………………….11
Objectives of drawing………………………………………………………….…….11
Material needed in freehand and mechanical drawing………………………………12
Uses and care on the selected drawing instruments and materials……………….….13
LESSON 3 – Lettering……………………………………………………………..……….26
Lettering and its importance……………………………………………………….....28
History of the Alphabet and Lettering………………………………………..………28
Styles of Letters…………………………………………………………………..…..28
General division of Letters…………………………………………………………...29
Proportion of Letters………………………………………………………………….29
Classification of Letters according to its size; position; thickness of stem and spacing.30
Guidelines for capital and small letters………………………………………………31
Order of strokes for each letters……………………………………………………..33
LESSON 4 - Geometrical Construction……………………………………..…………….37
Geometrical construction……………………………………………………….........38
Lines…………………………………………………………………………….……39
Kinds of lines………………………………………………………………………...39
Angles ……………………………………………………………………………….39
Kinds of angles………………………………………………………………………39
Triangle………………………………………………………………………….…...42
Kinds of triangles by side……………………………………………………………43
Kinds of triangles by angles…………………………………………………………43
Triangles by sides……………………………………………………………………43
Triangles by angles…………………………………………………………….…….43
LESSON 5 - INTRODUCTION TO WOOD WORKING AND CARPENTRY….….....61
What Is Woodworking? ...............................................................................................64
What Is Carpentry? …………………………………………………………………..65
Difference between Woodworking and Carpentry……………………………….…..65
Benefits of Woodworking and Carpentry………………………………….…………65
LESSON 6 - INTRODUCTION TO TOOLS……………………………………….…......69
Introduction…………………………………………………………………….……..69
Types of Tools…………………………………………………………………….….72
Function of Each Tools…………………………………………………………….…72
LESSON 7 - Understanding Wood………………………………………………..………...78
Introduction…………………………………………………………………..………..78
Physical properties of Wood……………………………………………………..…….81
Classification………………………………………………………………….……….82
Preparation of Wood………………………………………………………….……..…83
Defects of Wood………………………………………………………………...……..83
Seasoning of Lumber………………………………………………………………….84
LESSON 8 - Introduction to Carpentry……….………………………………………..….90
Introduction …………………………………………………………………....…..….90
Carpentry Material………………………………………………………………….…93
Carpentry Tools…………………………………………………………………….…93
MIDTERM EXAM………………………………………………………………………….97
LESSON 9 - Wood Floor System……..................................................................................101
Wood floor system definition……………………………………………….………..105
Types of wood floor system………………………………………………………….105
LESSON 10 - THE ROOF SYSTEM……………………………………………………...109
Introduction……………………………………………………………………….......110
Role of Roof System in construction…………………………………………………113
Types of Roofs…………………………………………………………………….….113
LESSON 11 – TYPES OF ROOF FRAMES……………………………………………..117
Types of Roofs………………………………………………………………………120
LESSON 12 - TYPES OF WOOD JOINTS AND SPLICES…………………………….129
Introduction………………………………………………………………...……...…129
Kinds of Wood joints…………………………………………………………………131
Classification…………………………………………………………………………132
LESSON 13 - Glue Laminated Lumber……………………………………………….......136
Introduction…………………………………………………………………………..136
Composition and Physical Properties of Glulam……………………………………..139
Classification of Glulam …………………………………………………………..…139
Preparation Process………………………………………………………………...…139
Advantages of Using Glulam…………………………………………………………139
Environmental Considerations……………………………………………………..…139
Fire Resistance and Precision Manufacturing……………………………………...…139
Potential Disadvantages of Glulam……………………………………………...……139
LESSON 14&15 - TIMBER FRAMING AND JOINERY………………………….…....142
Introduction………………………………………………………………………......142
History of Timber Framing …………………………………………………….……145
4 types of Timber Framing……………………………………………………….….146
Types of Timber Framing Post & Trusses………………….…………………….….146
Different Kinds of Cruck in Construction…………………………………………...147
LESSON 16&17 - Stairs and Laying Out Stairs……………………………………....…150
Purpose of Stairs…………………………………………………………………….153
Types of Stairs………………………………………………………………..….….153
Importance of Stairs…………………………………………………………………155
FINAL EXAM……………………………………………………………………………..159
REFERENCES……………………………………………………………………….……164

More Related Content

Similar to preface.docx

C y b e r A t t a c k s Dr. Amo.docx
                C y b e r  A t t a c k s  Dr. Amo.docx                C y b e r  A t t a c k s  Dr. Amo.docx
C y b e r A t t a c k s Dr. Amo.docx
joney4
 
C y b e r A t t a c k s Dr. Amo.docx
C y b e r  A t t a c k s  Dr. Amo.docxC y b e r  A t t a c k s  Dr. Amo.docx
C y b e r A t t a c k s Dr. Amo.docx
gertrudebellgrove
 
A proposed taxonomy of software weapons
A proposed taxonomy of software weaponsA proposed taxonomy of software weapons
A proposed taxonomy of software weapons
UltraUploader
 
Cyber At tacks Dr. Amoroso’s fi.docx
Cyber  At tacks  Dr. Amoroso’s fi.docxCyber  At tacks  Dr. Amoroso’s fi.docx
Cyber At tacks Dr. Amoroso’s fi.docx
tarifarmarie
 
CHCDIV001 Learner Guide V2.0 .docx
CHCDIV001 Learner Guide V2.0                                .docxCHCDIV001 Learner Guide V2.0                                .docx
CHCDIV001 Learner Guide V2.0 .docx
robert345678
 
Industry_Project_Report
Industry_Project_ReportIndustry_Project_Report
Industry_Project_Report
Eanna Hegerty
 
Week 2 Assignment 2 Presentation TopicsSubmit Assignment· Due.docx
Week 2 Assignment 2 Presentation TopicsSubmit Assignment· Due.docxWeek 2 Assignment 2 Presentation TopicsSubmit Assignment· Due.docx
Week 2 Assignment 2 Presentation TopicsSubmit Assignment· Due.docx
jessiehampson
 

Similar to preface.docx (20)

C y b e r A t t a c k s Dr. Amo.docx
                C y b e r  A t t a c k s  Dr. Amo.docx                C y b e r  A t t a c k s  Dr. Amo.docx
C y b e r A t t a c k s Dr. Amo.docx
 
C y b e r A t t a c k s Dr. Amo.docx
C y b e r  A t t a c k s  Dr. Amo.docxC y b e r  A t t a c k s  Dr. Amo.docx
C y b e r A t t a c k s Dr. Amo.docx
 
Architectural And Structural Design Of Blast Resistant Buildings
Architectural And Structural Design Of Blast Resistant BuildingsArchitectural And Structural Design Of Blast Resistant Buildings
Architectural And Structural Design Of Blast Resistant Buildings
 
A proposed taxonomy of software weapons
A proposed taxonomy of software weaponsA proposed taxonomy of software weapons
A proposed taxonomy of software weapons
 
Ballistic protection
Ballistic protectionBallistic protection
Ballistic protection
 
Tr1546
Tr1546Tr1546
Tr1546
 
Im-ception - An exploration into facial PAD through the use of fine tuning de...
Im-ception - An exploration into facial PAD through the use of fine tuning de...Im-ception - An exploration into facial PAD through the use of fine tuning de...
Im-ception - An exploration into facial PAD through the use of fine tuning de...
 
Industry 4.0 managing the digital transformation (2018)
Industry 4.0 managing the digital transformation (2018) Industry 4.0 managing the digital transformation (2018)
Industry 4.0 managing the digital transformation (2018)
 
Investigation in deep web
Investigation in deep webInvestigation in deep web
Investigation in deep web
 
Mikel berdufi university_of_camerino_thesis
Mikel berdufi university_of_camerino_thesisMikel berdufi university_of_camerino_thesis
Mikel berdufi university_of_camerino_thesis
 
Building a Simple Network - Study Notes
Building a Simple Network - Study NotesBuilding a Simple Network - Study Notes
Building a Simple Network - Study Notes
 
HSE Manual -1.pdf
HSE Manual -1.pdfHSE Manual -1.pdf
HSE Manual -1.pdf
 
Cyber At tacks Dr. Amoroso’s fi.docx
Cyber  At tacks  Dr. Amoroso’s fi.docxCyber  At tacks  Dr. Amoroso’s fi.docx
Cyber At tacks Dr. Amoroso’s fi.docx
 
Software Arquitecture
Software ArquitectureSoftware Arquitecture
Software Arquitecture
 
Building a Simple Network - Study Notes
Building a Simple Network - Study NotesBuilding a Simple Network - Study Notes
Building a Simple Network - Study Notes
 
CHCDIV001 Learner Guide V2.0 .docx
CHCDIV001 Learner Guide V2.0                                .docxCHCDIV001 Learner Guide V2.0                                .docx
CHCDIV001 Learner Guide V2.0 .docx
 
Industry_Project_Report
Industry_Project_ReportIndustry_Project_Report
Industry_Project_Report
 
Ph.D. Thesis - Failure of Brittle Coatings on Ductile Metallic Substrates
Ph.D. Thesis - Failure of Brittle Coatings on Ductile Metallic SubstratesPh.D. Thesis - Failure of Brittle Coatings on Ductile Metallic Substrates
Ph.D. Thesis - Failure of Brittle Coatings on Ductile Metallic Substrates
 
Information architecture of EURAXESS portals
Information architecture of EURAXESS portalsInformation architecture of EURAXESS portals
Information architecture of EURAXESS portals
 
Week 2 Assignment 2 Presentation TopicsSubmit Assignment· Due.docx
Week 2 Assignment 2 Presentation TopicsSubmit Assignment· Due.docxWeek 2 Assignment 2 Presentation TopicsSubmit Assignment· Due.docx
Week 2 Assignment 2 Presentation TopicsSubmit Assignment· Due.docx
 

Recently uploaded

會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
中 央社
 
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
中 央社
 
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
EADTU
 
SPLICE Working Group: Reusable Code Examples
SPLICE Working Group:Reusable Code ExamplesSPLICE Working Group:Reusable Code Examples
SPLICE Working Group: Reusable Code Examples
Peter Brusilovsky
 

Recently uploaded (20)

ANTI PARKISON DRUGS.pptx
ANTI         PARKISON          DRUGS.pptxANTI         PARKISON          DRUGS.pptx
ANTI PARKISON DRUGS.pptx
 
MOOD STABLIZERS DRUGS.pptx
MOOD     STABLIZERS           DRUGS.pptxMOOD     STABLIZERS           DRUGS.pptx
MOOD STABLIZERS DRUGS.pptx
 
8 Tips for Effective Working Capital Management
8 Tips for Effective Working Capital Management8 Tips for Effective Working Capital Management
8 Tips for Effective Working Capital Management
 
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjj
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjjStl Algorithms in C++ jjjjjjjjjjjjjjjjjj
Stl Algorithms in C++ jjjjjjjjjjjjjjjjjj
 
diagnosting testing bsc 2nd sem.pptx....
diagnosting testing bsc 2nd sem.pptx....diagnosting testing bsc 2nd sem.pptx....
diagnosting testing bsc 2nd sem.pptx....
 
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽會考英聽
 
OSCM Unit 2_Operations Processes & Systems
OSCM Unit 2_Operations Processes & SystemsOSCM Unit 2_Operations Processes & Systems
OSCM Unit 2_Operations Processes & Systems
 
OS-operating systems- ch05 (CPU Scheduling) ...
OS-operating systems- ch05 (CPU Scheduling) ...OS-operating systems- ch05 (CPU Scheduling) ...
OS-operating systems- ch05 (CPU Scheduling) ...
 
Major project report on Tata Motors and its marketing strategies
Major project report on Tata Motors and its marketing strategiesMajor project report on Tata Motors and its marketing strategies
Major project report on Tata Motors and its marketing strategies
 
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文會考英文
 
Analyzing and resolving a communication crisis in Dhaka textiles LTD.pptx
Analyzing and resolving a communication crisis in Dhaka textiles LTD.pptxAnalyzing and resolving a communication crisis in Dhaka textiles LTD.pptx
Analyzing and resolving a communication crisis in Dhaka textiles LTD.pptx
 
Basic Civil Engineering notes on Transportation Engineering & Modes of Transport
Basic Civil Engineering notes on Transportation Engineering & Modes of TransportBasic Civil Engineering notes on Transportation Engineering & Modes of Transport
Basic Civil Engineering notes on Transportation Engineering & Modes of Transport
 
Trauma-Informed Leadership - Five Practical Principles
Trauma-Informed Leadership - Five Practical PrinciplesTrauma-Informed Leadership - Five Practical Principles
Trauma-Informed Leadership - Five Practical Principles
 
Book Review of Run For Your Life Powerpoint
Book Review of Run For Your Life PowerpointBook Review of Run For Your Life Powerpoint
Book Review of Run For Your Life Powerpoint
 
Spring gala 2024 photo slideshow - Celebrating School-Community Partnerships
Spring gala 2024 photo slideshow - Celebrating School-Community PartnershipsSpring gala 2024 photo slideshow - Celebrating School-Community Partnerships
Spring gala 2024 photo slideshow - Celebrating School-Community Partnerships
 
Đề tieng anh thpt 2024 danh cho cac ban hoc sinh
Đề tieng anh thpt 2024 danh cho cac ban hoc sinhĐề tieng anh thpt 2024 danh cho cac ban hoc sinh
Đề tieng anh thpt 2024 danh cho cac ban hoc sinh
 
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
Transparency, Recognition and the role of eSealing - Ildiko Mazar and Koen No...
 
SPLICE Working Group: Reusable Code Examples
SPLICE Working Group:Reusable Code ExamplesSPLICE Working Group:Reusable Code Examples
SPLICE Working Group: Reusable Code Examples
 
e-Sealing at EADTU by Kamakshi Rajagopal
e-Sealing at EADTU by Kamakshi Rajagopale-Sealing at EADTU by Kamakshi Rajagopal
e-Sealing at EADTU by Kamakshi Rajagopal
 
Climbers and Creepers used in landscaping
Climbers and Creepers used in landscapingClimbers and Creepers used in landscaping
Climbers and Creepers used in landscaping
 

preface.docx

  • 1.
  • 2. PRE FACE In the dynamic landscape of civil technology, a workshop unfolds, intricately weaving together safety, craftsmanship, and the science of construction. The journey commences with a paramount focus on safety within the workshop environment, ensuring that participants are well- versed in protocols, protective gear usage, and emergency procedures, fostering a secure working milieu. Transitioning to the heart of craftsmanship, participants are introduced to the artistry of woodworking and carpentry, navigating the tools and techniques that serve as the building blocks of these trades. A foundational understanding of wood itself follows, delving into its properties, diverse types, and the nuanced process of selecting the right wood for specific projects. Carpentry takes center stage, unveiling basic principles and terminology that lay the groundwork for skilled craftsmanship. The exploration then ascends to the intricacies of constructing wood floor systems, balancing elegance with structural functionality. The focus shifts skyward to the critical elements of roofing systems, encompassing various roof frames and their diverse applications in construction projects. The journey through the workshop also involves a meticulous examination of wood joinery techniques, splicing methods, and the innovative use of glue laminated lumber. Timber framing, a harmonious blend of tradition and modernity, emerges as a fascinating study in constructing robust structural frameworks. The educational voyage culminates with a detailed exploration of staircase design, emphasizing the precision required in layout and installation for both safety and functionality. This comprehensive workshop equips participants with a multifaceted understanding of safety practices, the artistry of woodworking and carpentry, and the pivotal elements that shape construction projects within the realm of civil technology. It lays a solid foundation for future endeavors in this dynamic and vital field.
  • 3. TABLE OF CONTENTS Content Page Introduction…………………………………………………………………...........................1 LESSON 1: Safety In the Workshop……………..……………………………………..…..1 Personal Protection Equipment……………………………………………………..….4 Personal Protective Equipment……………………………………………………...…5 Basic Safety Rules…………………………………………...………………….……..6 Responsibilities……………………………………..……………………………….....6 Power Tools…………………………………………………………………….…..….6 General Safety Guidelines for Power Tools …………………………………………..6 Spark Resistant Tools……………………………………………………….…………7 LESSON 2: Introduction to Technical Drafting………………………………...…….….10 Drawing and its importance………………………………………………………….11 Division of drawing………………………………………………………………….11 Types of drawing…………………………………………………………………….11 Objectives of drawing………………………………………………………….…….11 Material needed in freehand and mechanical drawing………………………………12 Uses and care on the selected drawing instruments and materials……………….….13 LESSON 3 – Lettering……………………………………………………………..……….26 Lettering and its importance……………………………………………………….....28 History of the Alphabet and Lettering………………………………………..………28 Styles of Letters…………………………………………………………………..…..28 General division of Letters…………………………………………………………...29 Proportion of Letters………………………………………………………………….29 Classification of Letters according to its size; position; thickness of stem and spacing.30 Guidelines for capital and small letters………………………………………………31 Order of strokes for each letters……………………………………………………..33 LESSON 4 - Geometrical Construction……………………………………..…………….37 Geometrical construction……………………………………………………….........38 Lines…………………………………………………………………………….……39 Kinds of lines………………………………………………………………………...39 Angles ……………………………………………………………………………….39 Kinds of angles………………………………………………………………………39 Triangle………………………………………………………………………….…...42 Kinds of triangles by side……………………………………………………………43 Kinds of triangles by angles…………………………………………………………43 Triangles by sides……………………………………………………………………43 Triangles by angles…………………………………………………………….…….43
  • 4. LESSON 5 - INTRODUCTION TO WOOD WORKING AND CARPENTRY….….....61 What Is Woodworking? ...............................................................................................64 What Is Carpentry? …………………………………………………………………..65 Difference between Woodworking and Carpentry……………………………….…..65 Benefits of Woodworking and Carpentry………………………………….…………65 LESSON 6 - INTRODUCTION TO TOOLS……………………………………….…......69 Introduction…………………………………………………………………….……..69 Types of Tools…………………………………………………………………….….72 Function of Each Tools…………………………………………………………….…72 LESSON 7 - Understanding Wood………………………………………………..………...78 Introduction…………………………………………………………………..………..78 Physical properties of Wood……………………………………………………..…….81 Classification………………………………………………………………….……….82 Preparation of Wood………………………………………………………….……..…83 Defects of Wood………………………………………………………………...……..83 Seasoning of Lumber………………………………………………………………….84 LESSON 8 - Introduction to Carpentry……….………………………………………..….90 Introduction …………………………………………………………………....…..….90 Carpentry Material………………………………………………………………….…93 Carpentry Tools…………………………………………………………………….…93 MIDTERM EXAM………………………………………………………………………….97 LESSON 9 - Wood Floor System……..................................................................................101 Wood floor system definition……………………………………………….………..105 Types of wood floor system………………………………………………………….105 LESSON 10 - THE ROOF SYSTEM……………………………………………………...109 Introduction……………………………………………………………………….......110 Role of Roof System in construction…………………………………………………113 Types of Roofs…………………………………………………………………….….113 LESSON 11 – TYPES OF ROOF FRAMES……………………………………………..117 Types of Roofs………………………………………………………………………120 LESSON 12 - TYPES OF WOOD JOINTS AND SPLICES…………………………….129 Introduction………………………………………………………………...……...…129 Kinds of Wood joints…………………………………………………………………131 Classification…………………………………………………………………………132
  • 5. LESSON 13 - Glue Laminated Lumber……………………………………………….......136 Introduction…………………………………………………………………………..136 Composition and Physical Properties of Glulam……………………………………..139 Classification of Glulam …………………………………………………………..…139 Preparation Process………………………………………………………………...…139 Advantages of Using Glulam…………………………………………………………139 Environmental Considerations……………………………………………………..…139 Fire Resistance and Precision Manufacturing……………………………………...…139 Potential Disadvantages of Glulam……………………………………………...……139 LESSON 14&15 - TIMBER FRAMING AND JOINERY………………………….…....142 Introduction………………………………………………………………………......142 History of Timber Framing …………………………………………………….……145 4 types of Timber Framing……………………………………………………….….146 Types of Timber Framing Post & Trusses………………….…………………….….146 Different Kinds of Cruck in Construction…………………………………………...147 LESSON 16&17 - Stairs and Laying Out Stairs……………………………………....…150 Purpose of Stairs…………………………………………………………………….153 Types of Stairs………………………………………………………………..….….153 Importance of Stairs…………………………………………………………………155 FINAL EXAM……………………………………………………………………………..159 REFERENCES……………………………………………………………………….……164