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    Forensics expert collecting blood sample from crime scene. — Stock Photo
    Forensics expert collecting blood sample from crime scene.
    Low section of female volunteer cleaning beach on a sunny day — Stock Photo
    Low section of female volunteer cleaning beach on a sunny day
    Hands of microbiologist pouring agar into petri dish in laboratory. — Stock Photo
    Hands of microbiologist pouring agar into petri dish in laboratory.
    Pollution control inspector taking sample at pollution site. — Stock Photo
    Pollution control inspector taking sample at pollution site.
    Microbiologist using light microscope in laboratory — Stock Photo
    Microbiologist using light microscope in laboratory
    Front view of group of multi ethnic volunteers cleaning beach while sitting in squat position in front of buckets on a sunny day — Stock Photo
    Front view of group of multi ethnic volunteers cleaning beach while sitting in squat position in front of buckets on a sunny day
    Biotechnology scientist taking note while biochemical research. — Stock Photo
    Biotechnology scientist taking note while biochemical research.
    Young male researcher looking at sample under microscope in laboratory. — Stock Photo
    Young male researcher looking at sample under microscope in laboratory.
    Forensics expert collecting evidence from crime scene behind cordon tape. — Stock Photo
    Forensics expert collecting evidence from crime scene behind cordon tape.
    Female microbiologist using light microscope in laboratory. — Stock Photo
    Female microbiologist using light microscope in laboratory.
    Young male researcher looking at sample under microscope in laboratory. — Stock Photo
    Young male researcher looking at sample under microscope in laboratory.
    Young female doctor in uniform and medical mask placing surgeon equipment on napkin in room — Stock Photo
    Young female doctor in uniform and medical mask placing surgeon equipment on napkin in room
    Young female scientist doing test in laboratory, male scientist standing in background in laboratory. — Stock Photo
    Young female scientist doing test in laboratory, male scientist standing in background in laboratory.
    Hands of scientist researching sample on microscope slide under light microscope. — Stock Photo
    Hands of scientist researching sample on microscope slide under light microscope.
    Front view of multi ethnic volunteers cleaning beach on a sunny day — Stock Photo
    Front view of multi ethnic volunteers cleaning beach on a sunny day
    Ophthalmologist performing eye surgery on female patient in clinic. — Stock Photo
    Ophthalmologist performing eye surgery on female patient in clinic.
    Biotechnology female scientist working in laboratory. — Stock Photo
    Biotechnology female scientist working in laboratory.
    Scientific laboratory researcher using test tube and microscope. — Stock Photo
    Scientific laboratory researcher using test tube and microscope.
    Young male researcher looking at sample under microscope. — Stock Photo
    Young male researcher looking at sample under microscope.
    Elegant chinese wealthy woman with towel on head sitting in armchair — Stock Photo
    Elegant chinese wealthy woman with towel on head sitting in armchair
    Forensics expert in protective suit writing in clipboard collecting evidence from crime scene. — Stock Photo
    Forensics expert in protective suit writing in clipboard collecting evidence from crime scene.
    Low angle view of handsome Caucasian man making and painting a surfboard in workshop — Stock Photo
    Low angle view of handsome Caucasian man making and painting a surfboard in workshop
    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.
    Pollution control inspector in protective suit taking sample of toxic substance leaking from oil drum. — Stock Photo
    Pollution control inspector in protective suit taking sample of toxic substance leaking from oil drum.
    Low section of female volunteer holding a special strainer at beach on a sunny day — Stock Photo
    Low section of female volunteer holding a special strainer at beach on a sunny day
    Mid section of volunteers cleaning beach on a sunny day. Male is holding plastic bag while female puts the rubbish into the bag. — Stock Photo
    Mid section of volunteers cleaning beach on a sunny day. Male is holding plastic bag while female puts the rubbish into the bag.
    Close-up of hands of microbiologist inoculating nutritive agar. — Stock Photo
    Close-up of hands of microbiologist inoculating nutritive agar.
    Life science technician using micropipette in laboratory. — Stock Photo
    Life science technician using micropipette in laboratory.
    Female doctor in uniform and medical mask taking out stitches from crop hand of patient in napkin — Stock Photo
    Female doctor in uniform and medical mask taking out stitches from crop hand of patient in napkin
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Side view of Caucasian man applying yellow sanded matt on the surfboard in surf shop. — Stock Photo
    Side view of Caucasian man applying yellow sanded matt on the surfboard in surf shop.
    Forensics expert in protective suit writing in clipboard while examining crime scene. — Stock Photo
    Forensics expert in protective suit writing in clipboard while examining crime scene.
    Forensics expert crossing cordon tape at crime scene. — Stock Photo
    Forensics expert crossing cordon tape at crime scene.
    Forensics expert collecting evidence bullet from crime scene. — Stock Photo
    Forensics expert collecting evidence bullet from crime scene.
    Forensics expert photographing evidence at crime scene. — Stock Photo
    Forensics expert photographing evidence at crime scene.
    Front view of African American male volunteers cleaning beach on a sunny day — Stock Photo
    Front view of African American male volunteers cleaning beach on a sunny day
    Pollution control inspector working and examining discarded barrel. — Stock Photo
    Pollution control inspector working and examining discarded barrel.
    Forensics expert dusting for fingerprints at crime scene. — Stock Photo
    Forensics expert dusting for fingerprints at crime scene.
    Water quality inspector taking sample of water at suspected pollution site — Stock Photo
    Water quality inspector taking sample of water at suspected pollution site
    Close-up of female doctor in uniform with crossed hands holding stethoscope in room — Stock Photo
    Close-up of female doctor in uniform with crossed hands holding stethoscope in room
    Pollution control inspector taking sample of polluted water from spring in field. — Stock Photo
    Pollution control inspector taking sample of polluted water from spring in field.
    Close-up of cauliflower field covered in protective netting with dewdrops. — Stock Photo
    Close-up of cauliflower field covered in protective netting with dewdrops.
    Bearded man holding bunch of wooden pleachers while building traditional hedge. — Stock Photo
    Bearded man holding bunch of wooden pleachers while building traditional hedge.
    Ophthalmologist performing eye surgery on female patient in clinic. — Stock Photo
    Ophthalmologist performing eye surgery on female patient in clinic.
    Mid section of female volunteer cleaning beach on a sunny day — Stock Photo
    Mid section of female volunteer cleaning beach on a sunny day
    Pollution control inspector taking sample of mud in field by lake. — Stock Photo
    Pollution control inspector taking sample of mud in field by lake.
    Close-up of hands of microbiologist sterilizing inoculation loop. — Stock Photo
    Close-up of hands of microbiologist sterilizing inoculation loop.
    Forensics expert getting fingerprints with tape at crime scene. — Stock Photo
    Forensics expert getting fingerprints with tape at crime scene.
    Hands of microbiologist pouring agar into petri dish in laboratory. — Stock Photo
    Hands of microbiologist pouring agar into petri dish in laboratory.
    Front view of multi ethnic volunteers cleaning beach on a sunny day — Stock Photo
    Front view of multi ethnic volunteers cleaning beach on a sunny day
    Female microbiologist working in laboratory with biotechnology liquid. — Stock Photo
    Female microbiologist working in laboratory with biotechnology liquid.
    Forensics expert photographing evidence at crime scene. — Stock Photo
    Forensics expert photographing evidence at crime scene.
    Female doctor in uniform and medical mask taking out stitches from patient in napkin — Stock Photo
    Female doctor in uniform and medical mask taking out stitches from patient in napkin
    Female scientist researching sample in petri dish under light microscope. — Stock Photo
    Female scientist researching sample in petri dish under light microscope.
    Front view of group of multi ethnic volunteers sitting on their knees to clean the beach on a sunny day — Stock Photo
    Front view of group of multi ethnic volunteers sitting on their knees to clean the beach on a sunny day
    Female technician in yellow helmet working in factory — Stock Photo
    Female technician in yellow helmet working in factory
    Close-up of hand of female microbiologist pipetting sample in laboratory. — Stock Photo
    Close-up of hand of female microbiologist pipetting sample in laboratory.
    Front view of African American male volunteer standing with bucket and clipboard while the other volunteers are talking behind him on the beach — Stock Photo
    Front view of African American male volunteer standing with bucket and clipboard while the other volunteers are talking behind him on the beach
    Laboratory technician with micro pipette sampling into test tube. — Stock Photo
    Laboratory technician with micro pipette sampling into test tube.
    Forensics expert photographing evidence at crime scene. — Stock Photo
    Forensics expert photographing evidence at crime scene.