In which application is fibrous glass duct liner not approved?
a. A residence
b. A department store
c. Hospital rooms
d. A public building
c
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_____ footings are constructed by digging out the soil and placing the concrete in the trench.
A. Stepped B. Dugout C. Formed D. Trench
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?This Hyatt billiard ball was an early ____ product.
A. ?gutta percha B. ?celluloid C. ?shellac D. ?Bakelite
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To identify and assess hazards, it is essential that employers _____.
a. ensure that crew leaders are present at the job site b. conduct inspection of contractor offices c. design safety logs d. conduct accident investigations
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Tree roots must be protected from the destruction caused by cutting and suffocation from filling
Indicate whether the statement is true or false
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