El vidrio celular:
a. no absorbe líquidos.
b. se fabrica en formato tubular.
c. tiene un excelente factor k.
d. nunca produce grietas por tensión.
a. no absorbe líquidos.
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Full-sized fiberglass boards should be installed _____.
a. in the order they are put in the carton b. whenever possible c. without overlapping d. with the facing toward the duct
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A sudden loss of crane load may cause a _____.
a. whiplash effect b. power failure c. fire d. hydraulic problem
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Regardless of the technique that you use, the _____ systems for flux cored wires will freeze quickly.? ?
A. wire? B. slag? C. bead? D. weld pool?
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Coccidiosis is a disease where the epithelial cells of the digestive tract are invaded and
damaged by: A. protozoa B. bacteria C. virus
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