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    Businessman and engineer talking at industrial factory — Stock Photo
    Businessman and engineer talking at industrial factory
    Pollution control inspector taking sample at pollution site. — Stock Photo
    Pollution control inspector taking sample at pollution site.
    Sanitation inspector checking freezer in restaurant — Stock Photo
    Sanitation inspector checking freezer in restaurant
    Serious man standing at table in workshop of factory and reading through documents. — Stock Photo
    Serious man standing at table in workshop of factory and reading through documents.
    Agronomist opening soil sample bag in field. — Stock Photo
    Agronomist opening soil sample bag in field.
    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
    Chinese auto mechanic and car owner looking at engine — Stock Photo
    Chinese auto mechanic and car owner looking at engine
    Chinese auto mechanic examining car with flashlight — Stock Photo
    Chinese auto mechanic examining car with flashlight
    Young man checking car damage with young woman — Stock Photo
    Young man checking car damage with young woman
    Safety inspector taking water sample from pool — Stock Photo
    Safety inspector taking water sample from pool
    Safety inspector making notes in journal — Stock Photo
    Safety inspector making notes in journal
    Safety inspector taking water sample from pool — Stock Photo
    Safety inspector taking water sample from pool
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil. — Stock Photo
    Hands in gloves of female scientist in laboratory shaking glass flask with dissolved samples of soil.
    Side view of young woman in lab coat smiling and looking away while checking data in journal during safety inspection of piping system in industrial facility — Stock Photo
    Side view of young woman in lab coat smiling and looking away while checking data in journal during safety inspection of piping system in industrial facility
    Businessman and engineer shaking hands in factory — Stock Photo
    Businessman and engineer shaking hands in factory
    Formal man with tablet checking conditions on factory — Stock Photo
    Formal man with tablet checking conditions on factory
    Businessman in protective glasses holding digital tablet in factory — Stock Photo
    Businessman in protective glasses holding digital tablet in factory
    From below side view of mature ethnic male contractor in hardhat and vest breathing with closed eyes while standing near solar power station — Stock Photo
    From below side view of mature ethnic male contractor in hardhat and vest breathing with closed eyes while standing near solar power station
    Woman in lab coat and hat making notes while checking food inside cold storage room in cafe — Stock Photo
    Woman in lab coat and hat making notes while checking food inside cold storage room in cafe
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter. — Stock Photo
    Hands of scientist in laboratory measuring pH of soil samples by electronic pH meter.
    Businessman and Asian engineers talking at factory — Stock Photo
    Businessman and Asian engineers talking at factory
    Back view of cropped unrecognizable mature ethnic male contractor in hardhat and vest standing near solar power station — Stock Photo
    Back view of cropped unrecognizable mature ethnic male contractor in hardhat and vest standing near solar power station
    Agronomist opening soil sample bag in field. — Stock Photo
    Agronomist opening soil sample bag in field.
    Cropped unrecognizable foreman in waistcoat browsing on smartphone while standing near solar power station — Stock Photo
    Cropped unrecognizable foreman in waistcoat browsing on smartphone while standing near solar power station
    Low angle of cropped unrecognizable mature ethnic male inspector in vest with clipboard looking away while standing near solar power station — Stock Photo
    Low angle of cropped unrecognizable mature ethnic male inspector in vest with clipboard looking away while standing near solar power station
    From below happy middle aged Hispanic foreman in in hardhat and waistcoat browsing on smartphone looking at screen while standing near solar power station — Stock Photo
    From below happy middle aged Hispanic foreman in in hardhat and waistcoat browsing on smartphone looking at screen while standing near solar power station
    Low angle of middle aged Hispanic male engineer in uniform with tablet standing looking at screen under solar power station — Stock Photo
    Low angle of middle aged Hispanic male engineer in uniform with tablet standing looking at screen under solar power station
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    Pollution control inspector taking sample of mud in field by lake. — Stock Photo
    Pollution control inspector taking sample of mud in field by lake.
    Back view of specialist in white uniform walking along mature fresh suspended carcass while counting in slaughterhouse — Stock Photo
    Back view of specialist in white uniform walking along mature fresh suspended carcass while counting in slaughterhouse
    Water department technician installing a snow stake — Stock Photo
    Water department technician installing a snow stake
    Businessman shaking hands with engineer in factory — Stock Photo
    Businessman shaking hands with engineer in factory
    Chinese auto mechanic and car owner shaking hands — Stock Photo
    Chinese auto mechanic and car owner shaking hands
    Woman biologist in white coat pouring liquid from test tube into labelled containers with soil. — Stock Photo
    Woman biologist in white coat pouring liquid from test tube into labelled containers with soil.
    Young man checking car damage with young woman — Stock Photo
    Young man checking car damage with young woman
    Chinese auto mechanic showing car engine to car owner — Stock Photo
    Chinese auto mechanic showing car engine to car owner
    Pollution control inspector taking sample of leaked chemical. — Stock Photo
    Pollution control inspector taking sample of leaked chemical.
    Female agronomist measuring soil temperature with thermometer in field. — Stock Photo
    Female agronomist measuring soil temperature with thermometer in field.
    Low angle of delighted ethnic male inspector in vest with protective helmet crossing arms standing against modern solar power station — Stock Photo
    Low angle of delighted ethnic male inspector in vest with protective helmet crossing arms standing against modern solar power station
    Close-up of female scientist taking notes in soil testing laboratory. — Stock Photo
    Close-up of female scientist taking notes in soil testing laboratory.
    From below delighted male supervisor in uniform working on netbook while sitting near solar power station — Stock Photo
    From below delighted male supervisor in uniform working on netbook while sitting near solar power station
    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
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Chinese auto mechanic in repair shop — Stock Photo
    Chinese auto mechanic in repair shop
    Female agronomist taking notes in field of soil. — Stock Photo
    Female agronomist taking notes in field of soil.
    Businessman in protective glasses holding digital tablet in factory — Stock Photo
    Businessman in protective glasses holding digital tablet in factory
    Male adult engineer in water treatment plant — Stock Photo
    Male adult engineer in water treatment plant
    Smiling middle aged Hispanic foreman in in hardhat and waistcoat browsing on smartphone looking away while standing near solar power station — Stock Photo
    Smiling middle aged Hispanic foreman in in hardhat and waistcoat browsing on smartphone looking away while standing near solar power station
    Water quality inspector filling sample container with river water at pollution site. — Stock Photo
    Water quality inspector filling sample container with river water at pollution site.
    From below happy middle aged Hispanic foreman in in hardhat and waistcoat speaking on smartphone looking away while standing near solar power station — Stock Photo
    From below happy middle aged Hispanic foreman in in hardhat and waistcoat speaking on smartphone looking away while standing near solar power station
    Low angle back view of unrecognizable male inspector in vest with protective helmet against modern solar power station — Stock Photo
    Low angle back view of unrecognizable male inspector in vest with protective helmet against modern solar power station
    Portrait of a construction worker in reflective clothing leaning against a wall, Thailand — Stock Photo
    Portrait of a construction worker in reflective clothing leaning against a wall, Thailand
    Side view of cheerful lady in lab coat holding journal and turning switches on electrical equipment during safety inspection on industrial facility — Stock Photo
    Side view of cheerful lady in lab coat holding journal and turning switches on electrical equipment during safety inspection on industrial facility
    Agronomy specialist taking soil sample for fertility analysis. — Stock Photo
    Agronomy specialist taking soil sample for fertility analysis.
    Low angle back view of crop unrecognizable male inspector in vest with protective helmet against modern solar power station — Stock Photo
    Low angle back view of crop unrecognizable male inspector in vest with protective helmet against modern solar power station
    Biologist pouring soil with spatula from sample bag into separated containers. — Stock Photo
    Biologist pouring soil with spatula from sample bag into separated containers.
    Chinese car owner showing engine to auto mechanic — Stock Photo
    Chinese car owner showing engine to auto mechanic
    Man speaking on radio set outside in front of modern yellow car — Stock Photo
    Man speaking on radio set outside in front of modern yellow car
    Water department engineer standing in chemical treatment room — Stock Photo
    Water department engineer standing in chemical treatment room
    Businessman and Asian engineers talking at factory — Stock Photo
    Businessman and Asian engineers talking at factory