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    Male scientist sitting at table in laboratory — Stock Photo
    Male scientist sitting at table in laboratory
    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
    Instructor teaching rescue rope techniques on the ground — Stock Photo
    Instructor teaching rescue rope techniques on the ground
    Water department technician opening fire hydrant to flush water mains — Stock Photo
    Water department technician opening fire hydrant to flush water mains
    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
    Team of scientist discussing on glass board in laboratory — Stock Photo
    Team of scientist discussing on glass board in laboratory
    From below middle aged Hispanic foreman in in hardhat and waistcoat browsing on smartphone looking away while standing near solar power station — Stock Photo
    From below middle aged Hispanic foreman in in hardhat and waistcoat browsing on smartphone looking away while standing near solar power station
    Serious adult man in apron and gloves repairing wheel of bike in modern garage — Stock Photo
    Serious adult man in apron and gloves repairing wheel of bike in modern garage
    African american male computer technician working in server room. digital information storage and communication network technology. — Stock Photo
    African american male computer technician working in server room. digital information storage and communication network technology.
    Two Caucasian male surfboard makers standing in their studio, preparing for work, discussing the project, using a tablet computer. — Stock Photo
    Two Caucasian male surfboard makers standing in their studio, preparing for work, discussing the project, using a tablet computer.
    Technician performing ultrasound for pregnant couple in examination room — Stock Photo
    Technician performing ultrasound for pregnant couple in examination room
    African American guy in latex gloves using mouth mirror and probe to check false teeth while working in modern laboratory — Stock Photo
    African American guy in latex gloves using mouth mirror and probe to check false teeth while working in modern laboratory
    Worker at control panel in steel factory — Stock Photo
    Worker at control panel in steel factory
    Team of scientist discussing on glass wall in laboratory — Stock Photo
    Team of scientist discussing on glass wall in laboratory
    Carpenter drilling wooden door with drilling machine at home — Stock Photo
    Carpenter drilling wooden door with drilling machine at home
    Thoughtful male scientist using laptop in laboratory — Stock Photo
    Thoughtful male scientist using laptop in laboratory
    African american male computer technician using laptop working in business server room. digital information storage and communication network technology. — Stock Photo
    African american male computer technician using laptop working in business server room. digital information storage and communication network technology.
    Cropped view of scientist pipetting samples into microcentrifuge tubes. — Stock Photo
    Cropped view of scientist pipetting samples into microcentrifuge tubes.
    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
    Male scientist using microscope in laboratory — Stock Photo
    Male scientist using microscope in laboratory
    Sound directors working in recording studio — Stock Photo
    Sound directors working in recording studio
    Life science technician using micropipette in laboratory. — Stock Photo
    Life science technician using micropipette in laboratory.
    Technician writing on clipboard at industrial factory — Stock Photo
    Technician writing on clipboard at industrial factory
    Server room technician with clipboard — Stock Photo
    Server room technician with clipboard
    Concentrated male mechanic with beard and tattoos in gloves repairing bicycle in modern workshop — Stock Photo
    Concentrated male mechanic with beard and tattoos in gloves repairing bicycle in modern workshop
    Group of workers in uniform and helmets installing photovoltaic panels on roof of wooden construction near house — Stock Photo
    Group of workers in uniform and helmets installing photovoltaic panels on roof of wooden construction near house
    Tattooist focused on tattoo work on female client. — Stock Photo
    Tattooist focused on tattoo work on female client.
    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
    Low angle of happy middle aged Hispanic male engineer in uniform with tablet standing looking away under solar power station — Stock Photo
    Low angle of happy middle aged Hispanic male engineer in uniform with tablet standing looking away under solar power station
    From above crop male student hands holding denture and paste while sitting at table during dentistry class — Stock Photo
    From above crop male student hands holding denture and paste while sitting at table during dentistry class
    Side view of crop female student sitting at table and working with dental bur while studying dentistry in modern classroom — Stock Photo
    Side view of crop female student sitting at table and working with dental bur while studying dentistry in modern classroom
    Family install a TV antenna together on the roof of a country house — Stock Photo
    Family install a TV antenna together on the roof of a country house
    Serious adult man in apron and gloves repairing wheel of bike in modern garage — Stock Photo
    Serious adult man in apron and gloves repairing wheel of bike in modern garage
    Portrait confident air traffic control ground crew workers near airplane on airport tarmac — Stock Photo
    Portrait confident air traffic control ground crew workers near airplane on airport tarmac
    Cropped image of carpenter working with chisel at home — Stock Photo
    Cropped image of carpenter working with chisel at home
    Microbiologist taking bacterial sample on microscope slide. — Stock Photo
    Microbiologist taking bacterial sample on microscope slide.
    Female power engineer adjusting water valves at power plant — Stock Photo
    Female power engineer adjusting water valves at power plant
    Laboratory technicians discussing over display screen in blood bank — Stock Photo
    Laboratory technicians discussing over display screen in blood bank
    Steelworker and engineer reviewing blueprints in steel mill — Stock Photo
    Steelworker and engineer reviewing blueprints in steel mill
    Lab technician holding sample in flame — Stock Photo
    Lab technician holding sample in flame
    Close-up of male scientist experimenting in laboratory — Stock Photo
    Close-up of male scientist experimenting in laboratory
    Mid section of male scientist experimenting in laboratory — Stock Photo
    Mid section of male scientist experimenting in laboratory
    Workers standing on wind turbine in rural landscape — Stock Photo
    Workers standing on wind turbine in rural landscape
    Smiling female technician in helmet inspecting fire control in factory — Stock Photo
    Smiling female technician in helmet inspecting fire control in factory
    Laboratory technician using electronic device in blood bank — Stock Photo
    Laboratory technician using electronic device in blood bank
    Sound directors sitting at audio mixer board while working in modern recording studio — Stock Photo
    Sound directors sitting at audio mixer board while working in modern recording studio
    Crop anonymous male mechanic with screwdriver fixing wheel of electric scooter in workshop — Stock Photo
    Crop anonymous male mechanic with screwdriver fixing wheel of electric scooter in workshop
    Close up worker sanding steel in steel factory — Stock Photo
    Close up worker sanding steel in steel factory
    Carpenter measuring door frame at home — Stock Photo
    Carpenter measuring door frame at home
    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.
    Crop anonymous beauty technician with tweezers taking eyelashes for extension against ethnic woman during cosmetology procedure — Stock Photo
    Crop anonymous beauty technician with tweezers taking eyelashes for extension against ethnic woman during cosmetology procedure
    Attentive male scientist experimenting in laboratory — Stock Photo
    Attentive male scientist experimenting in laboratory
    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
    Portrait smiling female engineer assembling circuit board in workshop — Stock Photo
    Portrait smiling female engineer assembling circuit board in workshop
    Close-up of auto mechanic making notes in car — Stock Photo
    Close-up of auto mechanic making notes in car
    Person holding dental mold, close-up. — Stock Photo
    Person holding dental mold, close-up.
    Male mechanic fixing engine — Stock Photo
    Male mechanic fixing engine
    Interior of room in dental school — Stock Photo
    Interior of room in dental school
    Bacterial contamination tests — Stock Photo
    Bacterial contamination tests
    Dental technician polishing denture — Stock Photo
    Dental technician polishing denture