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0:06:05

How a laser level works

0:07:52

How a fire sprinkler works

0:07:22

How a gas lighter works

0:04:54

How a gas regulator works

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How a cordless drill works

0:00:45

How does a socket wrench work?

0:05:57

How a torque wrench works

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How a pressure gauge works

0:00:56

How does an oscillating sprinkler work?

0:04:29

What makes a lawn sprinkler go back and forth?

0:00:53

How does a hydraulic jack work?

0:08:11

How a hydraulic jack works