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    Close-up of technician repairing circuit board in electronics laboratory. — Stock Photo
    Close-up of technician repairing circuit board in electronics laboratory.
    Close-up of scientist using lab on a chip. — Stock Photo
    Close-up of scientist using lab on a chip.
    Cobblestone street in Quetzaltenango — Stock Photo
    Cobblestone street in Quetzaltenango
    Industrial Pipes in a Power Plant — Stock Photo
    Industrial Pipes in a Power Plant
    Human heart and its electrical system, 3d illustration. The yellow lines demonstrate the electrical (conduction) system of the heart. The heart at right shows an irregular heartbeat (arrhythmia) and atrial fibrillation. — Stock Photo
    Human heart and its electrical system, 3d illustration. The yellow lines demonstrate the electrical (conduction) system of the heart. The heart at right shows an irregular heartbeat (arrhythmia) and atrial fibrillation.
    Rear view of teenage girl at home wearing headphones and looking at smartphone screen — Stock Photo
    Rear view of teenage girl at home wearing headphones and looking at smartphone screen
    Rows of double alkaline batteries — Stock Photo
    Rows of double alkaline batteries
    Electric technician in wind farm transmission area — Stock Photo
    Electric technician in wind farm transmission area
    Orange peel in a kettle for descaling — Stock Photo
    Orange peel in a kettle for descaling
    Low angle view of hotel building with neon sign and silhouette in window — Stock Photo
    Low angle view of hotel building with neon sign and silhouette in window
    Engineer in electric power plant studying movement of overhead crane — Stock Photo
    Engineer in electric power plant studying movement of overhead crane
    Wind turbines at sunset; Nanticoke, Ontario, Canada — Stock Photo
    Wind turbines at sunset; Nanticoke, Ontario, Canada
    Computer servers in modern server room — Stock Photo
    Computer servers in modern server room
    Two boys using digital tablet — Stock Photo
    Two boys using digital tablet
    Engineer in electric power plant adjusting manual valve in condenser room piping — Stock Photo
    Engineer in electric power plant adjusting manual valve in condenser room piping
    Repeating circuits in machine — Stock Photo
    Repeating circuits in machine
    Close-up of audio cables connected to mixing console in recording studio — Stock Photo
    Close-up of audio cables connected to mixing console in recording studio
    Still life of an anti-cellulite massager — Stock Photo
    Still life of an anti-cellulite massager
    Woman working at home — Stock Photo
    Woman working at home
    Engineer in electric power plant using his smartphone inside condenser room — Stock Photo
    Engineer in electric power plant using his smartphone inside condenser room
    A man stands in a dark room wearing virtual reality gear and glasses — Stock Photo
    A man stands in a dark room wearing virtual reality gear and glasses
    Retina. Light micrograph (LM) of a section through a retina. The eye works by allowing light to be focused by the lens onto the retina — Stock Photo
    Retina. Light micrograph (LM) of a section through a retina. The eye works by allowing light to be focused by the lens onto the retina
    Side view of seamstress sewing leather on electrical machine — Stock Photo
    Side view of seamstress sewing leather on electrical machine
    Brain neurons, conceptual illustration — Stock Photo
    Brain neurons, conceptual illustration
    Power engineer placing ladder inside manhole at high voltage power distribution station — Stock Photo
    Power engineer placing ladder inside manhole at high voltage power distribution station
    Lightning during thunderstorm at sunset over Cochabamba cityscape in Bolivia. — Stock Photo
    Lightning during thunderstorm at sunset over Cochabamba cityscape in Bolivia.
    Close-up of camera module for mobile phone. — Stock Photo
    Close-up of camera module for mobile phone.
    Wind turbines with maintenance access road; Campillos, Malaga, Andalucia, Spain — Stock Photo
    Wind turbines with maintenance access road; Campillos, Malaga, Andalucia, Spain
    Power Plant Generators and Interior — Stock Photo
    Power Plant Generators and Interior
    Mature experienced seamstress working with electrical sewing machine — Stock Photo
    Mature experienced seamstress working with electrical sewing machine
    Father and daughter repairing electric model car and circuit board in office. — Stock Photo
    Father and daughter repairing electric model car and circuit board in office.
    Close-up of digital tablet, circuit board and computer fan on table — Stock Photo
    Close-up of digital tablet, circuit board and computer fan on table
    Woman stretching before exercise — Stock Photo
    Woman stretching before exercise
    Woman riding skateboard — Stock Photo
    Woman riding skateboard
    Portrait smiling, confident male engineer with walkie-talkie at power plant — Stock Photo
    Portrait smiling, confident male engineer with walkie-talkie at power plant
    Workers watching wind turbine at power plant — Stock Photo
    Workers watching wind turbine at power plant
    Working oil industry pumps at Midway-Sunset oil field in California, USA — Stock Photo
    Working oil industry pumps at Midway-Sunset oil field in California, USA
    Brain neurons, conceptual illustration — Stock Photo
    Brain neurons, conceptual illustration
    Man introducing plate into machine and microscope — Stock Photo
    Man introducing plate into machine and microscope
    Close-up of circuit board and multimeter on table — Stock Photo
    Close-up of circuit board and multimeter on table
    Woman switching on stereo. — Stock Photo
    Woman switching on stereo.
    Close-up of lab equipment arranged in laboratory — Stock Photo
    Close-up of lab equipment arranged in laboratory
    Lamp hanging from the ceiling with Art Deco style in the interior of a house with golden touches — Stock Photo
    Lamp hanging from the ceiling with Art Deco style in the interior of a house with golden touches
    Abstract view of electron tree. — Stock Photo
    Abstract view of electron tree.
    Boy using a handheld electronic game. — Stock Photo
    Boy using a handheld electronic game.
    Electric car with cable — Stock Photo
    Electric car with cable
    Focused male IT technician working at panel in dark server room — Stock Photo
    Focused male IT technician working at panel in dark server room
    Workplace of seamstress at tailor shop with electrical industrial sewing machine — Stock Photo
    Workplace of seamstress at tailor shop with electrical industrial sewing machine
    Mid section of blacksmith using machine in workshop — Stock Photo
    Mid section of blacksmith using machine in workshop
    Man working on a piece of wood. — Stock Photo
    Man working on a piece of wood.
    Power engineer entering manhole at a high voltage power distribution station — Stock Photo
    Power engineer entering manhole at a high voltage power distribution station
    Disc jockey, X-ray, radiology scan — Stock Photo
    Disc jockey, X-ray, radiology scan
    Focused male IT technician examining wires on server panel — Stock Photo
    Focused male IT technician examining wires on server panel
    Boy looking at mysterious glass lightening lamp on table — Stock Photo
    Boy looking at mysterious glass lightening lamp on table
    Senior woman doing wrist joint physical therapy with conductive TENS (transcutaneous electrical nerve stimulation) electrode cuff. — Stock Photo
    Senior woman doing wrist joint physical therapy with conductive TENS (transcutaneous electrical nerve stimulation) electrode cuff.
    Curious IT technician examining multicolor connection plugs — Stock Photo
    Curious IT technician examining multicolor connection plugs
    Conceptual shot of an electric switch button isolated on grey background — Stock Photo
    Conceptual shot of an electric switch button isolated on grey background
    Nerve cell, computer illustration — Stock Photo
    Nerve cell, computer illustration
    Man working on a piece of wood. — Stock Photo
    Man working on a piece of wood.
    Woman scanning the barcode of a ceramic jug — Stock Photo
    Woman scanning the barcode of a ceramic jug