Un operaio edile con un sacco di attrezzi sulla cintura tiene in mano una calcolatrice. Il concetto di stipulazione di un contratto e la stesura di un preventivo per l'esecuzione dei lavori di installazione. Copyspace - Foto e immagini stock

Electrician or professional Builder in the installer's belt with tools on a yellow background. Electrician's tools in black bags on the worker 's belt. Banner with space for text

Thermal imaging. A thermal imager in the hands of an electrician conducting an inspection of the equipment

Laser range finder. Builder tool

A black electrician's or Builder's bag with tools on a gray table. Bag with construction tools: screwdrivers, knife, crimping on a gray background. Top view with space for text

Electrician with a coil of cable on his shoulder at a construction site. Electrician with wire. Installation of electrical networks