A compound block and tackle _____.
a. requires two people to lift a load
b. has more lifting capacity than a simple block and tackle
c. must be attached to a trolley
d. has a gear-reduction unit
b. has more lifting capacity than a simple block and tackle
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When the cocoon is finished and the larva is completely covered, it begins the next stage of _______________________ and converts to a pupa
Fill in the blank(s) with correct word
Type NM cable must be secured no more than ____________________ inches from each single-gang nonmetallic device box.
Fill in the blank(s) with the appropriate word(s).
Hydrogen storage tanks are usually constructed from ________
A) Steel B) Carbon fiber C) Aluminum D) Both B and C
The diode is often called a PN junction.
Answer the following statement true (T) or false (F)