Un ingénieur en construction et concepteur portant un casque jaune étudie le dessin d'un bâtiment sur un chantier de construction. Une maison faite de blocs de béton poreux, un travailleur dans le processus à la fenêtre et au mur - Photo & image de stock

A construction engineer and designer in a yellow hardhat studies a drawing of a building on a construction site. A house made of porous concrete blocks, a worker in the process at the window and wall

A construction engineer and designer in a yellow hardhat studies a drawing of a building on a construction site. A house made of porous concrete blocks, a worker in the process at the window and wall

A construction engineer and designer in a yellow hardhat studies a drawing of a building on a construction site. A house made of porous concrete blocks, a worker in the process at the window and wall

A construction engineer and designer in a yellow hardhat studies a drawing of a building on a construction site. A house made of porous concrete blocks, a worker in the process at the window and wall

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 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

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 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 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 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.