When working from a suspended scaffold, wear a safety harness that is securely tied to the _____.
a. cable lift
b. cable lift suspension rope
c. structure
d. guard rail
c. structure
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Which of the following animals offers an example of commensalism?
a. cougar c. lion b. deer d. vulture
The main difference between the two internationally recognized projection systems is: the position in which the views appear on the drawing:
A. Whether they use the inch system or the metric system for dimensions B. The position in which the views appear on the drawing C. One is orthographic, the other is isometric
What is the free area of a register or grille?
A) The area of the register excluding the outside edge. B) The amount of the grille face area that is open. C) The portion of the register that is not being used. D) The area found by multiplying the register height and width.
When bending thick sheet metal plates, bending _________________________ must be considered.
Fill in the blank(s) with the appropriate word(s).