Safety第 89 / 100 题
Before servicing or clearing a jam in powered landscape equipment, the safest first step is what?
a.Increase the throttle
b.Have a coworker hold the blade
c.Shut off the engine and disconnect the spark plug or use lockout/tagout
d.Simply tilt the machine
解析
Powered equipment must be shut off and its energy source isolated, such as disconnecting the spark plug wire or applying lockout/tagout, before anyone clears a jam or services it. This prevents accidental startup that could amputate fingers or hands. It is a fundamental rule for mowers, trimmers, and chippers.
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