Operaio edile parla su uno smartphone in un hardhat giallo e gilet riflettente sullo sfondo della costruzione della casa-le pareti e le aperture delle finestre sono fatte di blocchi di cemento poroso. - Foto e immagini stock

Construction worker talks on a smartphone in a yellow hardhat and reflective vest against the background of the construction of house-the walls and window openings are made of porous concrete blocks.

Construction worker talks on a smartphone in a yellow hardhat and reflective vest against the background of the construction of house-the walls and window openings are made of porous concrete blocks.

Construction worker talks on a smartphone in a yellow hardhat and reflective vest against the background of the construction of house-the walls and window openings are made of porous concrete blocks.

Construction worker talks on a smartphone in a yellow hardhat and reflective vest against the background of the construction of house-the walls and window openings are made of porous concrete blocks.

Project architect stands near construction site of a house with the walls are made of a porous concrete block and a brick. Construction worker in a protective yellow hardhat and a reflective vest.

Project architect stands near construction site of a house with the walls are made of a porous concrete block and a brick. Construction worker in a protective yellow hardhat and a reflective vest.

A gray-haired supervisor inspects new retail construction.

Rear view of senior builder on site giving out instructions

Construction engineer on the construction site of a house made of porous concrete blocks works at a computer in a reflective safety vest and hardhat. Design, construction, drawings project, check

Builder holds in hand a yellow protective hardhat on the construction site with the foundation and walls of the house made of cellular concrete blocks and construction materials. Work safety, mockup

Construction worker at construction site measures the length of the window opening and the wall with tape measure. Cottage are made of porous concrete blocks, protective clothing - hardhat and a vest

Construction engineer on the construction site of a house made of porous concrete blocks works at a computer in a reflective safety vest and hardhat. Design, construction, drawings project, check

Construction worker at construction site measures the length of the window opening and the wall with tape measure. Cottage are made of porous concrete blocks, protective clothing - hardhat and a vest

Construction engineer on the construction site of a house made of porous concrete blocks works at a computer in a reflective safety vest and hardhat. Design, construction, drawings project, check

Construction engineer on the construction site of a house made of porous concrete blocks works at a computer in a reflective safety vest and hardhat. Design, construction, drawings project, check

Construction engineer on the construction site of a house made of porous concrete blocks works at a computer in a reflective safety vest and hardhat. Design, construction, drawings project, check