When a hydrocarbon fuel does not burn completely, which type of harmful gas is present?

A. carbon monoxide
B. carbon dioxide


Answer: A

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Plants that survive periods of adverse environmental conditions as underground storage organs are called ________.

Fill in the blank(s) with the appropriate word(s).

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____________________ are smooth metal rings that do not have friction material on them.

Fill in the blank(s) with the appropriate word(s).

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What precautions should you take to avoid having someone accidentally step on a floor creeper?

What will be an ideal response?

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Stagger tooth side cutting mills:

A) Are used to mill shallow grooves B) Are also called slab mills C) Are used to mill deep grooves D) Have large chip spaces

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