Technician A says that PAFC fuel cells can use hydrogen as fuel. Technician B says that PEM fuel cells can use hydrogen as fuel. Which technician is correct?
A) Technician A B) Technician B
C) Both Technicians D) Neither Technician
C
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What are screw threads used for?
What will be an ideal response?
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Trade promotion authority gives the Secretary of Agriculture the authority to negotiate trade agreements with the Congress only voting the agreement up or down
Indicate whether the statement is true or false
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Your lawn is in poor health due to excess foot traffic and has weeds. What will you do to rejuvenate it?
What will be an ideal response?
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Before attempting to sand a scratch or mar in veneer, first _____
a. moisten the wood and let it dry b. fill it with a mix of sawdust and glue c. iron it d. rub it with wax paper
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