To prevent mineral buildup and scale on an ice machine:

A) Clean regularly with a chlorine disinfectant. B) Test the pH of the incoming water.
C) Use an ultraviolet light. D) Use a water filter to remove suspended solids.


D

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Soil nailing refers to

A) a cut face of excavation supported by closely spaced steel bars and shotcrete over WWR. B) a cut face of excavation supported by closely spaced steel bars and shotcrete. C) a cut face of excavation supported by closely spaced steel bars in grouted holes and shotcrete over WWR. D) a cut face of excavation supported by closely spaced steel bars or angles. E) none of the above.

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¿Cuántos pies de tabla hay en (40) puntales de 2" × 4" × 12' (5 cm x 10.2 cm × 3.6 m)?

a. 384 b. 320 c. 3,840 d. 640

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____ lines are used in dimensioning to show the size of an object.

A. Extension B. Dimension C. Hidden D. Gradient

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The result of A + AB is B

Indicate whether the statement is true or false

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