Los rollos de láminas de revestimiento se deben almacenar _____.
a. en un edificio húmedo
b. planos
c. en un ángulo de 90°
d. sobre un extremo
d. sobre un extremo
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When mixing mortar with the power mixer, _____ .
A. place the shovel inside the mouth of the mixer B. pull fallen or torn bags out of the mixer carefully whne the mixer is running C. use water and the turning of the blades to clean the mixer D. wear safety glasses or goggles
The current in amperes that a conductor can carry continuously under certain conditions of use without exceeding its temperature rating is called __________.
Fill in the blank(s) with the appropriate word(s).
What type of units are only required to have process stubs?
A) Type II only B) Type I only C) Type II and Type III D) All systems are required to have process stubs.
Hint: 
In the series circuit, if the impedance is 70 ohms and the reactance is 50 ohms, what is the value of the resistance? Round the answer to the nearer ohm.
Fill in the blank(s) with the appropriate word(s).