Before deciding to purchase or install an open-loop system, the ____________________ must be evaluated first.

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


water quality

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¿Qué tipo de material es el MÁS usado para los tubos de agua fría?

a. Plástico b. Acero inoxidable c. Cobre d. Hierro fundido

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Molded insulation fittings are most commonly used on _____.

a. copper pipe b. ells c. flanges d. calcium carbonate

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Many of the methods used to resist earthquake damage will not prevent damage from strong winds.

Answer the following statement true (T) or false (F)

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Be prepared to signal a warning to other drivers whenever

A. there is trouble on the roadway ahead B. there is a tight turn ahead C. you have to drive slowly D. all of the above

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