Safety glasses ____________________ required to be used under an arc-rated face shield.
A. are
B. are not
Answer: A
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The most important part of a root weld is the outside shape.
Answer the following statement true (T) or false (F)
When charging a system that uses a zeotropic refrigerant, the system should always be charged using _____.
a. the superheat method b. the subcooling method c. vapor refrigerant from the cylinder d. liquid refrigerant from the cylinder
The hedgehog's spines are modified hairs made of ____________________
Fill in the blank(s) with correct word
President William McKinley asked Congress to declare war on Spain mainly because
A. the business community favored the conflict. B. American honor and continued respect in the entire world truly demanded it. C. it became clear that there was no other way to obtain Cuban independence. D. the Teller Amendment guaranteed that the United States would not establish colonial control of Cuba. E. the American public and many leading Republicans demanded it.