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A service engineer fixing the engine of a  vessel
Specialist Fire fighter and Rescue wearing fire protector for rescue for extinguishing
Locomotive engineering technicians maintain emission control on train railways, identifying oil and fuel leaks and inspecting, testing, and repairing malfunctioning engines for optimal efficiency.
Some items of a fire extinguishing system located inside a technical service room:
worker, sandblasting the corroded hull of a sailing vessel with a high pressure sandblasting syst
DIY, Maintaining sailing yacht in boathouse, workshop, working, Germany
Close-up of a man's hand with fire equipment in a fire truck. Man turns control levers
Man disassembling engine with screw wrench. Boat repair and maintenance.
two engineers seen through a large pipeline shaft, metal industry
A Vaughan Fire and Rescue Vehicle parking in the park for tourists to watch,Woodbridge, Ontario, Canada.
maintanance job
color fuel valve
View of ballast water exchange process onboard of a ship using flow-through method underway in open ocean. Overflow method through ballast tank air head. Ballast Water exchange Management and Treatment concept.
Details of engine
Metal stainless water barrel with an open lid and mesh for coarse water filtration in a fire truck. Water tank in a fire truck.
Male welders shaping metal from recycle metal using a grinder in a steel mill.
Close up hand opening or closing water valve in fire fighter in jobsite  during training or inspecting,  Fire fighting checking in safety priority
The mechanic uses a grinder to remove rust from the surface of a car's threshold. The professional auto mechanic repairs the car in his workshop.
Standard quick connection flange in oil and gas industry for fuel oil bunkering manifold.
Asian Chinese mechanic checking truck chassis in the repair shop
Engineer train Inspect the train's diesel engine, railway track in depot of train
Welding new steel plates on a ship's hull during repair work on a ship in a dry dock.
Vaasa, Finland - June 20, 2022: part of fire extinguishing system on a ferry
Photo of hard working mechanic in his repair garage busy with fixing tractors engine
Outside and inside of a diesel locomotive of the Deutsche Bundesbahn
Fire engine valve
Close up of work tool at metal workshop. Factory and Blue collar worker concept.
Tobolsk, Russia - July 15. 2016: Sibur company. Tobolsk Polymer plant. Industrial mechanic cleaning extruder machine
Blue Collar.  Lathe in workshop.
Free Images: "bestof:Hull Maintenance Technician 2nd Class Devon Cummings brazes a fire pump strainer aboardUSS Ross (DDG 71) Nov. 22, 2015. Ross, an Arleigh Burke-class"
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