According to the textbook, what are the two most important factors for efficient supermarket equipment operation?

a. Proper installation and an effective maintenance program.
b. Quality equipment and proper installation.
c. Good technicians; those who install it and those who repair it.


a. Proper installation and an effective maintenance program.

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Work that is done using liquids and gases to transfer force is called ____________________. Work that is done using liquids and gases to transfer force is called ____________________

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Obtain the node voltages v?, v?, and v? in the circuit of Fig. 3.81.

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The phrase written on the work order, "drove the vehicle to confirm the customer's complaint" falls under which section of the work order?

A) Concern B) Correction C) Cause D) All of these

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The molecules of gases have:

A) Lower levels of energy than solids or liquids due to molecular instability. B) Higher levels of energy than solids or liquids only when exposed to temperature changes. C) The same levels of energy as solids and liquids when contained. D) Higher energy levels than solids or liquids.

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