On open-coat sandpaper, the abrasive covers _____.
a. 25 percent of the backing material
b. 50 percent of the backing material
c. 75 percent of the backing material
d. the backing material completely
Answer: B
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A cultivar is a plant developed by:
a. spores c. humans b. pheromones d. other plants
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The primary goal of any florist is to ____________________ products or services
Fill in the blank(s) with correct word
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Most brake pedal installations are an example of what is called a ____-class lever.
A. first B. second C. third D. fourth
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Framing members for a metal truss are connected using _____
A) welds and/or self-tapping screws B) nuts and bolts C) solder D) construction adhesive
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