Daily inspection of an excavation must be performed by a(n) _____
a. qualified person
b. competent person
c. foreman
d. engineer
b
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In the atmosphere, the concentration of CO2 gas is measured in parts per ____
A) hundred B) thousand C) million D) ten thousand
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Answer the following statement(s) true (T) or false (F)
The symbol for a limit switch illustrates a ball float.
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The ____ command displays the amount of free and used memory in the system.
A. mem B. stat C. memstat D. free
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Polarity is defined based on the conventional current through a resistive element
Indicate whether the statement is true or false
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