Debido a la profundidad de la rosca y el poder de sujeción, se recomienda utilizar tornillos ____ para placas de partículas y placas duras.
a. comunes
b. para metal
c. mecánicos
d. tirafondos
Answer: B
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Which of the following is a native grass with potential usage as a biofuel?
a. switchgrass c. tall fescue b. wheatgrass d. Kentucky bluegrass
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What are analogous colors?
What will be an ideal response?
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Which natural catastrophe costs the United States the most on a yearly basis?
a. floods c. hurricanes b. drought d. blizzards
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To avoid system breakdown due to the failure of components that have a predictable service life, it is wise to:
A) Always use pulleys that have two belts. B) Not purchase any equipment that has parts that can wear out. C) Schedule parts replacements for wear items near the end of their service life. D) Install another backup system that can be quickly brought online.
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