____ all help remove oxides and/or nitrides in the weld.
A. Carbon, chromium, and vanadium
B. Aluminum, silicon, and titanium
C. Potassium, sodium, and zirconium
D. Oxygen, argon, and nitrogen
Answer: B
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What is the most common problem of air failure on a split AC system?
What will be an ideal response?
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A. OK B. BAT C. RUN D. FORCE
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Semiconductors are manufactured using a combination of silicon and germanium crystals
Indicate whether the statement is true or false
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