Which part of the ladder is raised or extended from the bed section?
a. guide
b. extension
c. tip
d. fly
Answer: d. fly
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A _____ jack arch is composed of only one full brick in height and laid in a soldier position.
A. common B. soldier C. single D. bonded
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Motors can be automatically controlled by using a magnetic starter or may be manually controlled by using a(n) ____________________ type of controller.
Fill in the blank(s) with the appropriate word(s).
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Lead-acid batteries release explosive gases when being charged
Indicate whether the statement is true or false
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Two types of defrost used with low temperature fixtures are ____________________ and ____________________.
Fill in the blank(s) with the appropriate word(s).
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