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Horizontal close-up shot of a 1970s oil pumping rig.
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Side view of a dredge drag head of a suction dredge barge above water in a harbor. Used to remove sediment inside in order for ships to be able to pass through at low tide.
125mm USSR T-72 Tank HEAT Projectile in box
Cement factory with ship loading at seaport, Venezuela
Honolulu, Oahu, Hawaii, USA: clean energy from ocean waves - wave energy converter, hydrokinetics - HydroAir turbine and Power Take Off (HAT PTO),  consists of a turbine and generator. This equipment uses volumetric airflow and pressure transmitted from an Oscillating Water Column (OWC) on the Ocean Energy (OE) buoy as the energy source (Hydro Group Systems, Vigor, Siemens).
Large yellow portable electric water pump with hose for dewatering the deep pit of the building foundation
Coal shipping facilities in Ikeshima still remain
Pipeline and cement building wall of chemical plant under construction
Transport of a large cable coiled onto a round frame to an offshore windpark. After construction and buried into the seabed the cable will provide electricity to the mainland
Industrial barge dredging crane work coast. Equipment engineering, reflection in water
Water pump next to black and white park
Chemical enterprise interior with equipment. Oxygen compressor for supplying workshops and departments of chemical plant with oxygen, for further petrochemical synthesis and reactions.
Oil or gas pipe line valves
Cleaning and inspecting the pipeline. This is accomplished by inserting the pig into a 'pig launcher' (or 'launching station')
Working dredge and barge in waters of Charleston, South Carolina.
Exploitation of gravel and sand deposits from below the water table.
Mining Material Processor
Closeup of the  high pressure water pump in the  water supply station for service in the industrial estate area, front view with the copy space.
Digging from the bottom of the river, loading a barge and making a pier. Kazan city, Russia
Water reclamation channel
Sulphurisation devices for cleaner air in the power plant region.
Oil production platform type FPSO construction in a shipyard.
Cranes and scrap
The historic Swanberg Dredge once used to mine gold in Nome Alaska.
Silt cleaning industrial ship
Sump pump on a new road construction site.
Sand extraction, sand quarry, sandy ground
Free Images: "bestof:Yerba Buena Shoals Projects Assemblying Suction Pump for Protable Dredge - NARA - 296380.tif Scope and content General notes 296380 Local identifier War"
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