All the techniques used for the prevention of termite attack are based on keeping the wood in the structure ____ and making it as difficult as possible for termites to get to the wood.
a.dry
b.moist
c.fire-proof
d.load-free
ANS: A
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What types of environments are hydraulic or pneumatic grippers well suited to?
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The following table presents the 100 senators of the 115th U.S. Congress on January 3, 2017, classified by political party affiliation and gender.
A senator is selected at random from this group. Compute the following probabilities.
a. The senator is a male Republican.
b. The senator is a Democrat or a female.
c. The senator is a Republican.
d. The senator is not a Republican.
e. The senator is a Democrat.
f. The senator is an Independent.
g. The senator is a Democrat or an Independent.
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Which of the following transmits a signal in an infrared device?
A. diffuser B. emitter C. detector D. antenna