____ prevent injury to your instep and feet.
A. Metatarsal guards
B. Steel-toed boots
C. Argon
D. Methane
Answer: A
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Some trucks have a four-speed transmission with a very low first gear, sometimes called a(n) ____________________.
Fill in the blank(s) with the appropriate word(s).
Engineers follow certain steps when designing products and services. These steps include understanding the need for the product or service, doing the preliminary research, generating ideas for a solution, selecting the best idea, evaluating it in more detail and testing it, optimizing it if necessary, and presenting the final design.
a. True b. False
It is important when wiring multisplit systems that the indoor units connect to their corresponding A, B, C, or D terminal block on the outdoor unit
Indicate whether the statement is true or false
Liquid floodback commonly occurs on air source heat pumps
A) when the liquid filter drier is stopped up B) when the heat pump is operated in cooling with a low charge C) when the heat pump is operated in heating on a warm day D) when the defrost cycle is terminated and the cycle reverses