The development of steam heat allowed for better plant maintenance in greenhouses by providing
____.
a. a cleaner kind of heat
b. a misty, cloud-like interior
c. higher humidity levels
d. a better environment for fragile greenhouse glass
C
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One reason incident investigations are an important part of a safety program is that they _____.
a. exempt employers from liability b. document facts and preserve evidence c. prevent government audits d. detect insurance frauda. exempt employers from liability
When insulating duct, which surface(s) should be covered first?
a. Sides b. Top c. Bottom d. End
Vinyl heat-shrink tubing can be used to insulate a soldered wire splice and make it airtight.
Answer the following statement true (T) or false (F)
Organic soils are some of the world's most ____________________ soils
Fill in the blank(s) with correct word