Επιλεκτική εστίαση του επιθεωρητή νερού σε προστατευτική φορεσιά, αναπνευστήρα και προστατευτικά γυαλιά που λαμβάνουν δείγμα νερού - Φωτογραφίες & Εικόνες Αρχείου

Water inspector in protective costume, respirator and goggles taking water sample

Unpacking of evidence - syringe with narcotics from place of crime

Medical worker holding vaccine serum sterile bottle, selective focus

Scientist in a suit examines viruses and bakrerie in a laboratory

Water inspector in protective costume, respirator and goggles taking water sample

Partial view of water inspector in latex gloves with test tube taking water sample

Multicultural scientists in protective suits doing dna test in lab

Selective focus of water inspector in protective costume and respirator taking water sample

Selective focus of multicultural scientists pointing with finger at dna test

Overhead view of african american biologist looking at leaf with magnifier and his colleague using microscope

Cropped view of scientist talking with african american colleague

Cropped view of biochemist holding test tubes with blood samples near colleague

Selective focus of biochemist holding ampule with medicine near colleague

Scientist holding dna test and talking with african american colleague

Selective focus of biochemist holding petri dish near colleague looking through microscope