Cuando use equipos de corte oxígas, use zapatos o botas de seguridad con una altura de por lo menos _____ pulgadas.
a. cuatro
b. cinco
c. seis
d. ocho
Answer: D
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Which of the following does not help explain how the U.S. Army Corps of Engineers defines wetland?
A) an area that has frequent flooding or saturation B) is covered by hydrophytes C) an area that includes hydric soils D) an area that is frequented by waterfowl
Technician A says that the bulb trade number is the same for all bulbs of the same size. Technician B says that a dual-filament bulb has different candlepower ratings for each filament. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Two reams of paper weigh 5.88 pounds and 13.95 pounds, respectively. Find, in pounds, the difference between the weights.
What will be an ideal response?
What two factors determine the output frequency of an alternator?