Spool of construction string line placed in red blocks. Tool to help worker for set straight distances on new edifice, in background mason uses red bl Stock Photo - Alamy

Mason, bricklayer worker is using red blocks to mount a wall next

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Spool of construction string line placed in red blocks. Tool to

Mason, bricklayer worker is using red blocks to mount a wall next

Strong string - This thick string is made of high quality nylon, which is stronger than polypropylene twine. The braided design allows this marking

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Mason, bricklayer worker is using red blocks to mount a wall next

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