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Private jet aircraft in the hangar open for regular maintenance service.
industrial background of african american hand operating control panel in factory
No cartridge inside a bolt action rifle chamber with light coming through
men working and welding in metallurgical workshop
Close-up of a large orange mechanical part
Wind turbine renewable energy
A woman engineer in protective safety vest stands on a staircase
Alternative energy concepts. Wind Generator Power station with mystic clouds in the sky. Technology and Global Business. Green energy plant.
crane hook lifts up the distribution transformer
Elderly female aircraft mechanic helping her colleague who's working on the airplane's landing gear retraction system. She is passing him a tool.
wind turbine against blue sky
Aircraft jet turbine engine background
Snow plow tractor. Snow removal machine, Snow plow truck
wind turbines energy
Woodworking equipment in a furniture manufacture workshop in work
Human hand using strength training equipment
Young male engineer using digital tablet for airplane mechanics
Detail of the Opened Hard Disk Drive closeup
February 10, 2017, Menden: Close-up of a feed setting on an excenter press
The usual maintenance of the private airplane in the hangar before the flight.
Metal drill. Metal industrial machines and tools
Industry, Storage Tank, Factory, Silo
Car air conditioning compressor on a white background, Isolated, Car maintenance service.
Wind turbine yielding 2300-3000 kW of electricity.
Control panel with buttons and levers on machine, close-up
Roasted coffee beans machine in room
Perforated brake pads next to brake disc on white background isolated object
Building an office
Spare part New car turbine on a white background. close-up. Car parts copy space.
Wind turbine with blue sky
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Panasonic AJ-PX270 Loaded on Sachtler Tripod Display at GBA 50th Anniversary Exhibition 20150918.jpg
U.S. President Eisenhower visited TAIWAN 美國總統艾森豪於1960年6月訪問臺灣台北時與蔣中正總統-1.jpg
U.S. President Eisenhower visited TAIWAN 美國總統艾森豪於1960年6月訪問臺灣台北時與蔣中正總統-2.jpg
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