Persons who perceive they are vulnerable to exposure to certain chemicals and/or combinations of chemicals may suffer from _____.

a. sick building syndrome
b. multiple chemical sensitivity
c. chemical inter-dependency
d. arrestance deficiency


b. multiple chemical sensitivity

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Floor decks are made in two types?form deck and composite deck. What is a form deck?

What will be an ideal response?

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Una bomba de concreto tipo pluma ubicada en las cercanías de una excavación de 15 pies de profundidad debe estar a un mínimo de _____ pies de distan- cia del borde de la excavación.

a. 10 b. 15 c. 20 d. 25

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Technician A says that resistance increases as the diameter of a conductor increases. Technician B says that resistance increases as the temperature of a conductor increases. Which technician is correct?

A) Technician A only B) Technician B only C) Both technicians D) Neither technician

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At _______, muscle contractions and breathing difficulty begin with loss of muscle control possible.

A. 0.010A to 0.030A B. 0.100A to 0.200A C. 2.0A to 4.0A D. None of these are correct

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