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Concrete Knowledge Check - Are You Jobsite Ready?
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On a commercial concrete jobsite, what is a tool called a 'jitterbug' used for?
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Hint
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⚖️
50-50
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👥
Audience
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A
Testing the internal moisture level
B
Tamping down large aggregate just below the wet surface
C
Cutting rebar to precise lengths
D
Removing air pockets deep in the center of the slab
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