Hash marks drawn across raceway or cable lines indicate the number and use of the installed ________.

What will be an ideal response?


conductors

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____ is the principal cause of porosity in aluminum welds and with GMAW welds on stainless steels.

A. Nitrogen B. Hydrogen C. Oxygen D. Carbon dioxide

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?Types of actions that are not of immediate danger but may lead to injury if repeated over days, weeks, and months are associated with ____. 

A. ?fatigue B. ?microwave radiation C. ?physical hazards D. ?ergonomics

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A third party service agreement may be promoted at the dealership because ________.

A) It covers more parts of the vehicle B) It is the same as a manufacturer-sponsored agreement C) It is a better warranty than the factory warranty D) They get a higher commission when selling this type of contract

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In wool fiber, the _______ is the outer layer of cells arranged in overlapping scales

a. Cortex c. Epidermis b. Cuticle d. Cell wall

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