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Which of the following refrigerant safety groups has the highest flammability and the highest toxicity? A . A 1 C . A 3 B .
Which of the following refrigerant safety groups has the highest flammability and the highest toxicity?
A A
C A
B B
D B
When lifting a heavy object by yourself, make certain that you
A lift with your back.
B avoid wearing a back brace.
C lift with your legs.
D avoid wearing gloves.
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