Aluminum ladders are safe to use around electrical equipment as long as they have insulation pads on the bottom of the rungs.
Answer the following statement true (T) or false (F)
False
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Which of the following occurs as soon as a heating thermostat is closed?
a. The flame rollout switch opens. b. The blower fan starts c. The inducer fan starts. d. The inducer pressure switch opens.
List four categories of synthetic auxins used for weed control
What will be an ideal response?
A competent signal person must be stationed at all times whenever a crane is _____
a. approaching the minimum safe distance from an energized power line b. within twice the boom's length of an energized power line c. within a boom's length of an energized power line d. within 60 feet of an energized power line
The plastic or foil sleeve on the outside of a branch duct in a crawl space serves as _____
A) thermal insulation B) a vapor barrier C) a noise suppressor D) a fire retardant