High- and low-pressure switches generally use a ____, which expands and contracts with a change of pressure.
a. switch
b. spring
c. bellows
d. strip
c. bellows
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Suppose that you are able to save money in the bank and earn interest at the rate of 5% per year. That means that to obtain $100 in 2 years you would have to give up $________ today.
What will be an ideal response?
The most precious commodity at installation is ____, so it stands to reason that adequate planning will
aid the process.
a. space c. cooperation b. knowledgeable installers d. time
A(n) ____________________ contains LEDs that produce a visual indication of what is occurring at a specific point in a digital circuit.
Fill in the blank(s) with the appropriate word(s).
USDA is the farmer's department and the Secretary of Agriculture is the farmers' representative
Indicate whether the statement is true or false