Why should a ground fault interrupter be used with portable electric tools?
What will be an ideal response?
They protect against possible shock by opening when detecting a small current flow.
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?Hobbing is usually used for making ____.
A. ?multi-cavity molds B. ?single die cavities C. ?steel tools D. ?chromium tools
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Why is it so important to confirm that a feeding tube has accurately been placed in the crop?
What will be an ideal response?
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Typically, the zone control valve not only opens to allow water to flow to the zone, but also turns on:
A) Circulator pump. B) The fan coil unit. C) The blower. D) The boiler.
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A(n) ____________________ is a simplified way to express what must be done to solve a problem.
Fill in the blank(s) with the appropriate word(s).
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