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Air-con ducts in a modern office with trendy \
Industrial Ventilation Duct Piping Marked with Black and Yellow Safety Tape
LA, ECU, Many cables.
Installs a stretch ceiling, process of repair
Electrical conduit system and galvanized steel pipe.
Fire security and Sprinkler,Tubing
dampers cooling the building with a fan blowing air into the building. extraction of steam from the kitchen from metal sheets. protected escape route from the building, red, plumber, plumbline, air condition, damper, ventilation, head , ceiling
A big, bright room under renovation, with construction material lying around and an air duct hanging from the ceiling.
Subway station with new construction and renovation of the cable network
Pipes on ceiling in a corridor of an office
White industrial style ceiling with exposed air conditioner vent grid duct pipes lamps banner
Indoor ventilation pipe. Metal pipe on ceiling
indoor construction site
Rough purple wall with a mesh covered opening
Industrial air blow dryer modern forms red shapes background
Close up detail structure of railway line in Bangkok, Thailand
Concrete ceiling in a new building, fire sensor
Claim agent records air conditioning damage assessment in mobile app. Claim agent, woman register and photograph air conditioning external modules and units indoors
Ceiling with water and ventilation system
white ceiling
Electrical cable system on the ceiling.
Industrial wiring conduits on a ceiling, with the red pipes of the fire-control sprinkler system also visible.Camera: Canon 5D.
Ceiling with water supply and drainage communication pipes under the bridge support station platform
Fire cabinet
The primary salt color separator is in operation
Pipes in the ceiling.
Low Angle View of Red Water Pipes Under Ceiling for Fire Prevention System
Open system pump pipeline building construction in parking at condominium
Water leak in a wall due to damaged pipes
Concrete framework and ceiling inside of house under construction
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