Why is it necessary to purge gauge manifold valves while they are connected?

A) To stop refrigerant loss B) To preserve the system's charge
C) To prevent valve damage D) To prevent contamination of the system


D

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____________________ glue is also used in constructing corsages

Fill in the blank(s) with correct word

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Friction between the slab and the soil causes cracking, which can be controlled by a(n) ____.

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