The ____________________ weld is applied first and then the groove weld is made.
Fill in the blank(s) with the appropriate word(s).
backing
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Which of the following is a limitation of DC lighting systems?
a. limited voltage for lights b. can only be placed in certain locations c. cannot be moved after installed d. have dangerous voltages if wire is cut
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The English system is the most used in heating and air conditioning.
Answer the following statement true (T) or false (F)
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Horses doing light work should receive rations that are mostly composed of forage.
Answer the following statement true (T) or false (F)
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When preheating a coupling for installation, heat it to a temperature between ________ using a bearing heating method
A) 100°F and 150°F B) 200°F and 250°F C) 150°F and 200°F D) 250°F and 300°F
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