Construction works. Concrete slab. Panels.
Construction worker sawing metal by a circular saw. Lots of sparks.
Masonry walls of the foam block. Airblock.
Metal roof inside the hangar. Large room with a tin roof. Metall constructions.
Setting finishing insulating panels. Thermal insulation of the building.
Covering the roof with roofing material. Covering the roof with roofing material.
Wooden stairs on a building site. Temporary stairs.