Flat-slab formwork is more costly to build because of the _____.
a. need for special shoring
b. amount of material required
c. complex reinforcement that must be built
d. drop panels required at each column
d. drop panels required at each column
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The law requires technicians to recover refrigerant from all refrigeration systems so that they ____.
A. will not be released into the atmosphere B. may be used again C. may be reclaimed for future use D. All of the above.
____ indicates a filler metal that is used as a current carrying electrode, as a rod, or both.
A. R B. B C. RB D. IN
Thousands of products on the market claim to be green. Independent third-party labels, such as ____, Cradle to Cradle®, and ENERGY STAR are generally rigorous and reliable.
A. GREENGUARDSM B. LEED C. LCA D. GREEN PROTECTORSM
To determine if a product or substance being used is hazardous, consult ________.
A) SAE standards B) A dictionary C) An SDS D) EPA guidelines