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Lifestyle
Cabin Living
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Holiday Homes

Essential Concrete Contractors Professional Skills Test

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question image

Why do concrete contractors use control joints?

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Correct

Concrete contractors install control joints to manage cracking caused by concrete shrinkage.

Incorrect

Concrete contractors install control joints to manage cracking caused by concrete shrinkage.

A Increase strength
B Control cracking
C Improve color
D Speed up curing

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