Mason checking plumb line of house wall being made from aerated concrete blocks Stock Photo - Alamy

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Plumb line wall hi-res stock photography and images - Alamy

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Autoclaved aerated concrete blocks hi-res stock photography and images - Alamy

Block mason hi-res stock photography and images - Page 18 - Alamy

Autoclaved aerated concrete block hi-res stock photography and images - Page 3 - Alamy

Aerated blocks hi-res stock photography and images - Alamy

Autoclaved aerated concrete blocks hi-res stock photography and images - Alamy

Aerated concrete block hi-res stock photography and images - Alamy

Aerated concrete block hi-res stock photography and images - Alamy

Autoclaved aerated concrete blocks hi-res stock photography and images - Alamy

Aerated concrete block hi-res stock photography and images - Alamy