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

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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, construction string

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Spool of construction string line is placed on red blocks. Tool to help worker for set straight distances on new edifice Stock Photo - Alamy

String line guide in construction site, worker's tool equipment guide alignment snapping marking vertical horizontal working for formwork construction Stock Photo - Alamy

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