Nitrogen is used to increase surface tension when welding copper.
Answer the following statement true (T) or false (F)
False
Trades & Technology
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What is the difference between high-pressure and low-pressure sodium lamps?
What will be an ideal response?
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Semiconductors have how many electrons in their valence rings?
A) Four B) More than four C) Less than four D) None of these
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The need to improve an organization’s financial condition correlated directly with the process of making and measuring quality improvements.