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
Question 2
When the signal person holds the forearm vertical, with the forefinger pointing up, and moves the hand in a
small circle, the crane operator is to _____.
a. lower the boom
b. hoist the load
c. use the whip line
d. dog everything
Cellular section from the brain of a person who died from Alzheimer's disease.
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
Insulin Types and action times
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