A worker should not enter a silo for ____________________ weeks after it has been filled
Fill in the blank(s) with the appropriate word(s).
3
three
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A water closet must contain a(n) ____________________ to prevent sewer gas from entering a room.
Fill in the blank(s) with the appropriate word(s).
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What part of the board should be sanded with a power sander or sandpaper wrapped around a block of
wood?
a. the corners c. sides only b. the face d. none of these answers is correct
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What is the most common species of parrot kept as pets?
a. nestor c. budgerigar b. andean d. rennell
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The source of salts for some naturally occurring saline soils are ancient fossil deposits of salts in old lake beds
Indicate whether the statement is true or false
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