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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.
    Male scientist placing medical vials on a lab machine in laboratory — Stock Photo
    Male scientist placing medical vials on a lab machine in laboratory
    Mixed race female car mechanic wearing overalls, inspecting car, making notes. independent business owner at car servicing garage. — Stock Photo
    Mixed race female car mechanic wearing overalls, inspecting car, making notes. independent business owner at car servicing garage.
    Doctor with test tubes in hospital — Stock Photo
    Doctor with test tubes in hospital
    Scientist in costume posing in laboratory — Stock Photo
    Scientist in costume posing in laboratory
    Doctor with medicine and pipette — Stock Photo
    Doctor with medicine and pipette
    Busy mature male mechanic in head torch repairing automobile placed on elevator in workshop — Stock Photo
    Busy mature male mechanic in head torch repairing automobile placed on elevator in workshop
    Female microbiologist pipetting into petri dishes in laboratory. — Stock Photo
    Female microbiologist pipetting into petri dishes in laboratory.
    Side view of craftsman in protective face mask wearing overalls and gloves working in workshop and soldering metal construction — Stock Photo
    Side view of craftsman in protective face mask wearing overalls and gloves working in workshop and soldering metal construction
    Laboratory technician using digital tablet in blood bank — Stock Photo
    Laboratory technician using digital tablet in blood bank
    Side view of crop anonymous male mechanic with screwdriver fixing wheel of electric scooter in workshop — Stock Photo
    Side view of crop anonymous male mechanic with screwdriver fixing wheel of electric scooter in workshop
    Serious senior male mechanic in red workwear standing in repair service workshop with professional tools and instruments looking away — Stock Photo
    Serious senior male mechanic in red workwear standing in repair service workshop with professional tools and instruments looking away
    Laboratory technician analyzing blood bags in blood bank — Stock Photo
    Laboratory technician analyzing blood bags in blood bank
    Confident scientist man with arms crossed standing outside laboratory. — Stock Photo
    Confident scientist man with arms crossed standing outside laboratory.
    Close up hand surgeon with scalpel in the operating room at hospital. — Stock Photo
    Close up hand surgeon with scalpel in the operating room at hospital.
    Technician discussing blueprint with his colleague in metal industry — Stock Photo
    Technician discussing blueprint with his colleague in metal industry
    Portrait serious male mechanic working under car in auto repair shop — Stock Photo
    Portrait serious male mechanic working under car in auto repair shop
    Lab chemist preparing graduated cylinder for standard solution — Stock Photo
    Lab chemist preparing graduated cylinder for standard solution
    Low angle of middle aged Hispanic male engineer in uniform with tablet standing looking away under solar power station — Stock Photo
    Low angle of middle aged Hispanic male engineer in uniform with tablet standing looking away under solar power station
    African american female computer technician wearing headphones using laptop working in server room. digital information storage and communication network technology. — Stock Photo
    African american female computer technician wearing headphones using laptop working in server room. digital information storage and communication network technology.
    African american male computer technician wearing headphones using laptop working in server room. digital information storage and communication network technology. — Stock Photo
    African american male computer technician wearing headphones using laptop working in server room. digital information storage and communication network technology.
    Side view of worker in apron using laptop in workshop — Stock Photo
    Side view of worker in apron using laptop in workshop
    Crop hands of scientist operating with equipment in laboratory. — Stock Photo
    Crop hands of scientist operating with equipment in laboratory.
    African american male computer technician using tablet working in server room. digital information storage and communication network technology. — Stock Photo
    African american male computer technician using tablet working in server room. digital information storage and communication network technology.
    Dentist picking color of denture — Stock Photo
    Dentist picking color of denture
    Lineman working on cables at power pole — Stock Photo
    Lineman working on cables at power pole
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Close-up of a man's hand with a protective mask and a computer monitor. — Stock Photo
    Close-up of a man's hand with a protective mask and a computer monitor.
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Father explaining daughter about electric model car in office. — Stock Photo
    Father explaining daughter about electric model car in office.
    Caucasian male surfboard maker with long blond hair, working in his studio, making a surfboard, inspecting it and preparing to polishing.. — Stock Photo
    Caucasian male surfboard maker with long blond hair, working in his studio, making a surfboard, inspecting it and preparing to polishing..
    Close-up of microcentrifuge tubes with biologist in background. — Stock Photo
    Close-up of microcentrifuge tubes with biologist in background.
    Dental anatomy student's hands working plastic human head — Stock Photo
    Dental anatomy student's hands working plastic human head
    Laboratory technician analyzing blood bag in blood bank — Stock Photo
    Laboratory technician analyzing blood bag in blood bank
    Young woman getting shoulder tattoo. — Stock Photo
    Young woman getting shoulder tattoo.
    African american male computer technician using tablet working in server room. digital information storage and communication network technology. — Stock Photo
    African american male computer technician using tablet working in server room. digital information storage and communication network technology.
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    Steelworkers examining steel part in steel mill — Stock Photo
    Steelworkers examining steel part in steel mill
    Unrecognizable prosthetic engineer reviewing the prosthesis of a patient and improving the material in his workshop — Stock Photo
    Unrecognizable prosthetic engineer reviewing the prosthesis of a patient and improving the material in his workshop
    Male scientist placing chemical tube glass bottle on a machine in laboratory — Stock Photo
    Male scientist placing chemical tube glass bottle on a machine in laboratory
    Close-up of female scientist using pipette in laboratory — Stock Photo
    Close-up of female scientist using pipette in laboratory
    From above of crop male dentistry student in uniform and gloves preparing dental simulator for treatment during work in modern classroom — Stock Photo
    From above of crop male dentistry student in uniform and gloves preparing dental simulator for treatment during work in modern classroom
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Prosthetic engineer reviewing the prosthesis of a patient and improving the material in his workshop — Stock Photo
    Prosthetic engineer reviewing the prosthesis of a patient and improving the material in his workshop
    Laboratory technician analyzing chemical solution in blood bank — Stock Photo
    Laboratory technician analyzing chemical solution in blood bank
    Caucasian male surfboard maker working in his studio, cutting wooden stripes and preparing to make a surfboard, with surfboards in a rack in the background — Stock Photo
    Caucasian male surfboard maker working in his studio, cutting wooden stripes and preparing to make a surfboard, with surfboards in a rack in the background
    Skilled senior male mechanic putting shiny electric lamp near workplace while preparing for repairing work in garage with motorcycle and instruments — Stock Photo
    Skilled senior male mechanic putting shiny electric lamp near workplace while preparing for repairing work in garage with motorcycle and instruments
    Focused male IT technician working at panel in dark server room — Stock Photo
    Focused male IT technician working at panel in dark server room
    Steelworkers examining steel part in steel mill — Stock Photo
    Steelworkers examining steel part in steel mill
    Worker operating machinery in steel factory — Stock Photo
    Worker operating machinery in steel factory
    Crop hands of aircraft mechanic fixing engine of small airplane in hangar — Stock Photo
    Crop hands of aircraft mechanic fixing engine of small airplane in hangar
    Lab technician in thick gloves and safety goggles using laminar flow hood while working with dangerous chemicals. — Stock Photo
    Lab technician in thick gloves and safety goggles using laminar flow hood while working with dangerous chemicals.
    From below side view of male technician in work wear standing on scaffolding and preparing for installation of solar panel on wooden construction — Stock Photo
    From below side view of male technician in work wear standing on scaffolding and preparing for installation of solar panel on wooden construction
    From above of crop student with artificial dental model and bur learning training in dental treatments during class in laboratory — Stock Photo
    From above of crop student with artificial dental model and bur learning training in dental treatments during class in laboratory
    Pest control technician with portable spray rig using spray nozzle and hose — Stock Photo
    Pest control technician with portable spray rig using spray nozzle and hose
    Carpenter cutting wooden frame from circular saw outside house — Stock Photo
    Carpenter cutting wooden frame from circular saw outside house
    Back view of unrecognizable male technician grabbing head while having problem in data center with server racks — Stock Photo
    Back view of unrecognizable male technician grabbing head while having problem in data center with server racks
    Lab technician removing sample vial cap — Stock Photo
    Lab technician removing sample vial cap
    Young female scientist doing experiment with liquid in laboratory. — Stock Photo
    Young female scientist doing experiment with liquid in laboratory.
    Close-up of hands of female scientist working in laboratory with pipette and flask. — Stock Photo
    Close-up of hands of female scientist working in laboratory with pipette and flask.