construction site of a house under construction. unfinished walls of the house made of white autoclave-type aerated concrete

aac aerated against aligning autoclaved autoclavetype background block blocks brick bricklayer brickwork builder building carrying cement concrete construction design development home house housing individual industrial industry laying male man manual mason masonry onestorey prefabricated protective residential roofing site sky space staff structure surface under unfinished wall walls white work worker