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view inside large metal pipe
spiral welded steel pipe
dark pipe with light equipment
sewer construction in hydraulic engineering for water and wastewater supply
a construction pipe blur background
Close-up of metal pipelines in industrial plants
The ventilation pipe is round from the inside. Steel pipes, parts for the construction of industrial air conditioning ducts inside the pipe. Industrial ventilation equipment.
Man looks through a cardboard tube
Strong steel parts in a factory, North China
An old vintage mechanism of the unit or device. Technologies of the past, covered with old paint or rust. Close-up.
Huge tube or tunnel for underground infrastructure, Construction concept.Light at the end of the tunnel
Close-up of large and long round concrete pipes, which light up through the early morning.
Urban abstract background, cement with hole
plant engineering or plant construction, building architecture in the industry
Silage silo equipment with a circular shaped steel body, iron
Perspective view inside of huge silo, reservoir made of stainless steel.
Unfinished concrete building interior
Inside view of the large sag and ball mill. A ball mill and a sag mill is a type of grinder used to grind and blend materials for use in mineral dressing processes.
parts of the electrical power plant under construction.
Close-up of the interior of a cooling tower chimney
Rural iron water drain
rusty metal oxide component, closeup of photo
Construction site of chemical plant under construction
kaplan turbine a rotary mechanical device for the generation of energy and power
Inside view of a huge pipe tube on a pipeline construction. Light enters through the pipe.
15 mm wide-angle lens, UV filter, daylight, compensation rings, shaft compensation rings, inner diameter 62.5 cm, shaft building materials, concrete goods,
Abstract black spiral swirl inside a bigmetal pipe
Wind Energy a sustainble energy source in order to keep a clean Planet Earth and reduce CO2 emissions.
Inside patterns of a cylindrical rusted metal pipe
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