Cutting Machines

Comments Off on Cutting Machines

 

What machines can you see?
What are they doing? Why are they doing this? Who are they?

People use laser to cut through metals.

Huge circular saws are used in this giant stone cutting machine. This video was shot in a quarry.

How Machines Help

Comments Off on How Machines Help

 

How do you use a hammer to pull out a nail?

(fast forward the video to 4:50)


How do you use a car jack to lift a car?

(fast forward the video to 0:20)

How do you use an axe to chop down a tree?

(fast forward the video to 5:00)

How do you use a can opener?

(fast forward the video to 0:20)

How do you use a screw driver to turn a screw?

(fast forward the video to 3:38)