The rolling tower, or ____ scaffold, is widely used for small jobs, generally not more than 20 feet in height.
a.jackleg
b.provisional
c.mobile
d.temporary
ANS: C
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The _____ permits direct measurement of lengths, areas, volumes, and perimeters from drawings
A) CAD (computer-aided design) B) digitizer C) computer D) word processor
Leaves are the food factories of plants and are composed of ____ attached to stems by ____
a. a petiole; a thin blade c. an epidermis; stomata b. a thin blade; a petiole d. stomata; an epidermis
What is an advantage to a 401(K) retirement plan?
A) The income is not taxed until it is withdrawn B) Many employers will match a percentage of the employee's contribution C) Both A and B D) Neither A nor B
If a HVACR technician determines the ratio of the density of a material to the density of a common material, what is she calculating?
A) Density B) Specific gravity C) Volume D) Specific volume