Technicians have been required to pass an EPA certification exam to handle refrigerant since:
A) July 1, 1992. B) November 14, 1994.
C) November 15, 1993. D) November 15, 1995.
B
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Justification for work involving exposure to electrical hazards may include _____.
a. cost of outage or downtime b. lack of documentation c. equipment design prevents de-energization d. distance to disconnection means
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Many commercial beef producers have crossbred, or mixed, herds
Indicate whether the statement is true or false.
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Light can be provided to plants from ____________________ and from ____________________ lights
Fill in the blank(s) with correct word
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Spiral or corkscrew-shaped bacteria cause many _____________________ diseases, such as leptospirosis and vibriosis
Fill in the blank(s) with correct word
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