Describe two types of staples and an example of their use.
What will be an ideal response?
1) U-shape: for fastening into solid material such as wood
2) Outward clinch staple: for fastening into soft material such as fiberglass duct
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Blocker ring clearance can be checked using a ________.
A) Dial indicator B) Dial bore gauge C) Plastigage D) Feeler gauge
?What can be done to protect the contact tube tip from damage?
A. ?Use a high temperature insulating tape to protect the tip. B. ?Use a slightly larger size contact tube tip for the wire size. C. ?Spray the contact tube with WD-40 so the wire will feed smoother. D. ?Recess it inside of the nozzle.
The Jesuit priests, despite their initial failure in gaining converts, played a vital role because
A. of the many converts to Catholicism. B. of the health care they provided. C. they made peace with the Indians. D. they encouraged the Indians to participate in the fur trade. E. of their exploration and work as geographers.
For health and comfort, a relative humidity of ____ percent is desirable.
A. 3 to 5 B. 10 to 15 C. 30 to 40 D. 50 to 60