Cuando se utiliza una escalera recta, los rieles a los lados se deben extender _____ por encima del punto de apoyo superior.

a. 12" (30,48 cm)
b. 18" (45,72 cm)
c. 24" (60,96 cm)
d. 36" (91,44 cm)


d. 36" (91,44 cm)

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SWPPP is an acronym for __________.

A. Storm Water Pollution Protection Policy B. Storage of Wastes and Potential Pollutants Policy C. Storage of Wastes and Pollution Prevention Plan  D. Storm Water Pollution Protection Plan

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What is the auto-ignition temperature of most fuels used in the process industries?

A. 200–300 degrees Fahrenheit B. 50–700 degrees Fahrenheit C. 800–1300 degrees Fahrenheit D. 1500–2000 degrees Fahrenheit

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A(n) ____________________ is an insect or rodent that may carry human diseases. They may be

attracted to fields treated with biosolids.

Fill in the blank(s) with the appropriate word(s).

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When gametes or sex cells form, a process known as ____________________ takes place.

Fill in the blank(s) with the appropriate word(s).

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