El tipo de concreto que se puede colocar sin utilizar una forma es concreto _____.

a. en masa
b. compactado con rodillo
c. precolocado
d. pesado


Answer: B

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Guinea pigs were used by Louis Pasteur in his research on ____________________

Fill in the blank(s) with correct word

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Which of the following conditions is most likely to cause a hacksaw blade to break?

A) Sawing too fast B) Tubing cut with a 32 tooth blade C) Pressure on the return stroke D) A new blade in an old cut

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When selecting a meter, percentage accuracy ratings that are ________ indicate more precise meters

A) Neutral B) Higher C) Lower D) Blank

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