Engineering involves applying scientific and mathematical principles to design and implement inventions and systems to meet objectives, while drafting involves preparing technical drawings and plans used in manufacturing and construction. Both fields have a long history dating back to ancient civilizations. Engineers use modeling, testing and problem solving methods to develop innovative solutions, while drafters focus on creating detailed technical drawings and plans to communicate engineering designs. There are many specialized fields within both engineering and drafting.

1. ENGINEERING VS.
DRAFTING
Similarities and Differences

2. Engineering
 Engineering is the science, discipline, art and
profession of acquiring and applying technical,
scientific and mathematical knowledge to
design and implement materials, structures,
machines, devices, systems, and processes
that safely realize a desired objective or
inventions.
Offshore wind turbines require technical
input from engineers of different fields

3. Drafting
 Drafters prepare technical drawings and
plans, which are used to build everything from
manufactured products such as toys, toasters,
industrial machinery, and spacecraft to
structures such as houses, office buildings,
and oil and gas pipelines.

4. History of Engineering
 The concept of engineering has existed since
ancient times as humans devised fundamental
inventions such as the pulley, lever, and wheel.
Each of these inventions is consistent with the
modern definition of engineering, exploiting
basic mechanical principles to develop useful
tools and objects

5. History of Engineering
 The Pharos of Alexandria, the
pyramids in Egypt, the Hanging
Gardens of Babylon, the
Acropolis and the Parthenon in
Greece, the Roman aqueducts,
Via Appia and the Colosseum,
Teotihuacán and the cities and
pyramids of the Mayan, Inca
and Aztec Empires, the Great
Wall of China, the Buddhist
Stupa and Yoda Cannel in Sri
Lanka, among many others,
stand as a testament to the
ingenuity and skill of the
ancient civil and military
engineers.
The lighthouse was
completed in the 3rd century
B.C

6. History of Drafting
 Drawing to communicate technical ideas may predate
the written language. The oldest drawing instruments
known, a drawing board in scripted with a temple plan,
date from the 3rd millennium BC from the city of
Lagash in Babylon. The ancient Greeks influenced
drawing through their work in geometry, and tools such
as the compass and triangles used in engineering
were then developed.

7. History of Drafting
 Over the next million years this process
changed little except by the method used to
draw, paint, and preserve the
illustrations. The greatest changes are noted
during the Egyptian and Chinese Empires
and the development of rice paper and the
methods of presenting ideas. This was the
beginning of drafting as we know it today
and other than the tools used to make
drawings more accurate and legible very
little changed until the creation of the
modern electronic devises that we have
used over the last 75 years. Drafting is the
basis of everything that is usable.
 D.Class

8. History of Drafting
 There are almost one hundred different work
disciplines for drafters and designers. These
include Aerospace, Highways, Parks and
Recreation, Electronic, Nano-Technology,
Medical, Furniture, High Voltage Electricity,
Automotive and many more.
Think about going to the hospital, look around
at all the equipment and gadgets, consider
having surgery and all the tools that are used,
having a knee implant that is specifically
designed to fit your bones or even wearing a
band-aid, all of these are manufactured by
the aid of a drawing. Engineers, Architects,
Scientist, Doctors, Physicist, and even
Composers used drafting to create the final
product.
All of the worlds greatest inventions, thoughts
and improvements end up as a drawing and
the drafter is that invisible person who in
reality makes dreams come true.

9. Modern Era of Engineering
 Electrical Engineering can trace its origins in the experiments
of Alessandro Volta in the 1800s, the experiments of Michael
Faraday, Georg Ohm and others and the invention of the
electric motor in 1872. The work of James Maxwell and
Heinrich Hertz in the late 19th century gave rise to the field of
Electronics. The later inventions of the vacuum tube and the
transistor further accelerated the development of Electronics
to such an extent that electrical and electronics engineers
currently outnumber their colleagues of any other
Engineering specialty.
 The inventions of Thomas Savery and the Scottish engineer
James Watt gave rise to modern Mechanical Engineering.
The development of specialized machines and their
maintenance tools during the industrial revolution led to the
rapid growth of Mechanical Engineering both in its birthplace
Britain and abroad.

10. Engineering and Problem
Solving
 Engineers use their knowledge of science,
mathematics, and appropriate experience to find
suitable solutions to a problem. Engineering is
considered a branch of applied mathematics and
science. Creating an appropriate mathematical model
of a problem allows them to analyze it (sometimes
definitively), and to test potential solutions.
 Engineers typically attempt to predict how well their
designs will perform to their specifications prior to full-
scale production. They use, among other things:
prototypes, scale models, simulations, destructive
tests, nondestructive tests, and stress tests. Testing
ensures that products will perform as expected.
 Link

11. Computer Modeling
 One of the most widely used
tools in the profession is
computer-aided design (CAD)
software which enables
engineers to create 3D
models, 2D drawings, and
schematics of their designs.
CAD together with Digital
mockup (DMU) and CAE
software such as finite
element method analysis or
analytic element method
allows engineers to create
models of designs that can be
analyzed without having to
make expensive and time-
consuming physical
prototypes.
A computer simulation of
high velocity air flow
around the Space Shuttle
during re-entry.

12. Engineering Design
 An engineering design process is a process
used by engineers to help develop products. the
engineering design is defined as
 … the process of devising a system, component
or process to meet desired needs. It is a decision-
making process (often iterative), in which the
basic sciences, mathematics, and engineering
sciences are applied to convert resources
optimally to meet a stated objective. Among the
fundamental elements of the design process are
the establishment of objectives and criteria,
synthesis, analysis, construction, testing, and
evaluation.

13. Types of Engineering
 Aerospace · Agricultural · Architectural · Audio ·
Automotive · Biological · Biochemical ·
Biomedical · BioTech · Broadcast · Building
officials · Ceramic · Chemical · Civil · Computer ·
Construction · Control · Cryogenics · Electrical ·
Electronic · Engineering technology · Enterprise ·
Environmental · Food · Genetic · Hydraulics ·
Industrial · Materials · Mechanical ·
Mechatronics · Metallurgical · Mining · Naval ·
Network · Nuclear · Ocean · Ontology · Optical ·
Petroleum · Radio Frequency · Software ·
Structural · Systems · Technician ·
Telecommunications · Textile · Tissue · Transport ·
Traffic

14. Types of Drafting
 Drafting work has many specialties:
 Aeronautical drafters prepare engineering drawings detailing plans and specifications used in
the manufacture of aircraft, missiles, and related parts.
 Architectural drafters draw architectural and structural features of buildings and other
structures. These workers may specialize in a type of structure, such as residential or
commercial, or in a kind of material used, such as reinforced concrete, masonry, steel, or
timber.
 Civil drafters prepare drawings and topographical and relief maps used in major construction
or civil engineering projects, such as highways, bridges, pipelines, flood control projects, and
water and sewage systems.
 Electrical drafters prepare wiring and layout diagrams used by workers who erect, install, and
repair electrical equipment and wiring in communication centers, power plants, electrical
distribution systems, and buildings.
 Electronics drafters draw wiring diagrams, circuit board assembly diagrams, schematics, and
layout drawings used in the manufacture, installation, and repair of electronic devices and
components.
 Mechanical drafters prepare drawings showing the detail and assembly of a wide variety of
machinery and mechanical devices, indicating dimensions, fastening methods, and other
requirements.
 Process piping or pipeline drafters prepare drawings used in the layout, construction, and
operation of oil and gas fields, refineries, chemical plants, and process piping systems.

15. Education
 The kind and quality of drafting training programs vary considerably
so prospective students should be careful in selecting a program.
They should contact prospective employers to ask which schools
they prefer and contact schools to ask for information about the
kinds of jobs their graduates have, the type and condition of
instructional facilities and equipment, and teacher qualifications.
 Technical institutes offer intensive technical training, but they
provide a less general education than do community colleges.
Either certificates or diplomas may be awarded. Many technical
institutes offer 2-year associate degree programs, which are similar
to, or part of, the programs offered by community colleges or State
university systems. Their programs vary considerably in length and
in the type of courses offered. Some public vocational-technical
schools serve local students and emphasize the type of training
preferred by local employers. Most require a high school diploma or
its equivalent for admission. Other technical institutes are run by
private, often for-profit, organizations sometimes called proprietary
schools.

16. So how are they similar and how
are they different?
 Engineers VS. Drafters
 You tell me….
 By design/drafting are you referring to making mechanical drawings of
parts/structures or design/drafting in the artistic sense? In the first case,
I would say design/drafting is related to engineering; however, the
engineering design process is much more involved. All engineering
disciplines will involve some aspects of design. First, there are many
kinds of engineering such as electrical engineering, mechanical
engineering, civil engineering, and biomedical engineering. For
example, electrical engineers may design circuits which may involve
drawing of the circuit on a computer. Civil engineers may design
buildings. "Design" is a big part, and in order to do it correctly we need
to apply the mathematical and scientific concepts that we learn. For
example, for a mechanical engineer to design a part or a system, he/she
needs to determine the material strength, system safety, etc. Once the
design is created, the engineer may send it to a drafter who then creates
a mechanical drawing which a machinist can use as a reference when
building the part. I would suggest visiting some universities in your area
to learn more about engineering.

17. Your Assignment
 A paper on engineering, drafting, or both.
 This is a history paper, such as the history of how
CAD was developed.
Different tools used in Drafting.
 How different or similar Engineering and drafting
are.
 Or about a particular field in drafting or
engineering.
 This paper is 2-5 pages long, double spaced, 12
point font, Times new roman, 1inch margins
 Work cited… I will explain.