Pile driver machines are installing many precast concrete piles on the ground in construction site
Worker in a factory grinding metal with a grinder
Repairman looking at conditioner and using laptop on roof
Silhouette 2 industrial building framework in factory construction site against pink twilight sky
Construction workers with articulated boom lift installing aluminum sheets on factory building wall
Corrugated steel roof with roof beam of new warehouse building structure is under construction
Heavy Industry Engineering Factory Interior with Industrial Worker Using Angle Grinder
New industrial warehouse building structure is under construction, view from inside
Male industrial engineers look at project blueprints in the factory.
Heavy Industry Engineering Factory Interior with Industrial Worker Using Angle Grinder
Worker in a factory grinding metal with a grinder
Solar roof cleaning, Professional technicians were washing and the surface of the solar panels
Professional technicians carrying photovoltaic solar moduls, Engineers installing on factory roof
Technician engineer service meeting and checking solar cell on rooftop of industrial factory
Professional worker cleaning solar panels with brush and washing with water on roof structure
Professional technicians carrying photovoltaic solar moduls, Engineers installing on factory roof
Solar roof cleaning, Professional technicians were washing and the surface of the solar panels
Professional worker cleaning solar panels with brush and washing with water on roof structure
Professional technicians carrying photovoltaic solar moduls, Engineers installing on factory roof
Oil and gas petrochemical industrial refinery plant, Oil and gas storage tank refinery petrochemical
Technician engineer planning to setting solar panel on roof of building to work at full efficiency
Professional worker cleaning solar panels with brush and washing with water on roof structure
Professional worker cleaning solar panels with brush and washing with water on roof structure
Solar roof cleaning, Professional technicians were washing and the surface of the solar panels
Technician engineer planning to setting solar panel on roof of building to work at full efficiency
Professional worker cleaning solar panels with brush and washing with water on roof structure
Solar roof cleaning, Professional technicians were washing and the surface of the solar panels
Technician engineer setting solar panel on roof of building to work at full efficiency
Industrial building framework during install corrugated steel roofing work against blue sky
Technician engineer planning to setting solar panel on roof of building to work at full efficiency
