A construction site with concrete columns and reinforcing steel bars, showing the framework for a new building project. Concrete pillars and a steel mesh floor await the next stage of construction.
Aerial view of chemical oil refinery plant, power plant on blue sky background.
Beautiful pond in spring park
Painted Yellow Guard Rails on a Staircase
Casco Bay Bridge spans Fore River connecting South Portland and Portland in Maine.
Automated farming irrigation sprinklers system on cultivated agricultural landscape field in sunset
Center Pivot Irrigation System in a green Field