Main bonding jumpers and system bonding jumpers must be made of ____ or other corrosion-resistant material.

A. aluminum
B. stainless steel
C. sheathed aluminum
D. copper


Answer: D

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Package boilers were developed in order to _____.

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Floor plans show how the building is divided into rooms and how to get from one room to another.

Answer the following statement true (T) or false (F)

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What will be an ideal response?

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