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

Checking that the concrete block is vertical hi-res stock photography and images - Alamy

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

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

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

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

Mason with plumb line hi-res stock photography and images - Alamy

house construction from autoclaved aerated concrete blocks Stock Photo - Alamy

Autoclaved aerated concrete 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

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