To ensure the welding current will not pass through seals, bearings, or other contacting surfaces that could be
damaged from arcing, make sure to correctly position the _____.
a. electrode
b. air hose
c. workpiece clamp
d. arc torch
c
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What are the seven principles of design? Explain why it’s important for you, as an interior plantscape
designer, to know and use these principles.
What will be an ideal response?Annually, the United States produces ___ percent of the world's beef supply.
A. 25 B. 50 C. 60 D. 75
How can negative room pressure create a hazardous situation in a house with combustion appliances?
A) The gas pressure may be affected. B) The appliances may burn excessively hot. C) All the heat can be sucked out of the room through the vent. D) Combustion products can spill into the house.
The tubing cutter uses __________.
A. a reamer and a square cutting blade B. a set of rollers and a square cutting blade C. a set of rollers and a round cutting blade D. a set of reamers and a round cutting blade