power tools

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7 Terms

1
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five power sources for tools.

Electric, combustion, pneumatic, hydraulic, powder-actuated.

2
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What powers pneumatic tools?

Compressed air.

3
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What’s unique about powder-actuated tools?

Use explosive charges to drive fasteners into concrete or steel.

4
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What’s the most common injury from power tools?

Finger injuries, often from saws.

5
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What should you do before changing bits or blades?

De-energize the tool.

6
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Why are cordless tools safer?

Reduced risk of electric shock and tripping hazards.

7
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What is a GFCI and when is it required?

Ground Fault Circuit Interrupter; required outdoors or in damp areas.