Screwdriver

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Screwdrivers
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Intro
In this presentation I will be explaining the
screw driver and how it helps in mechanical
engineering.
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What is a Screwdriver?
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Old and New
Wood
Plastic and metal
Drill
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Who Invented it?

• It is well known that Alfred Jones created the
  screwdriver in the 1860s.

• But their was other writings about the
  screwdriver before Jones.

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Mechanical Engineering
What do they work on?

• Airplanes

• Cars
• Helicopters
• And more!

The need for a screwdriver.

• Screws parts together
• (Wings, Engines, Arms, Legs..etc.)

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Conclusion
The screwdriver has helped many different jobs
and will keep helping with future developments.
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Find more info about screwdrivers manufacturers
and exporters here..... http//www.tradeindia.com
/manufacturers/screwdriver.html