Miespuolinen tiedemies, joka laittaa vesinäytteen testipulloon, kun hänen naispuolinen kollegansa kirjoittaa leikepöydälle viemäröinnin lähelle - Kuvapankin valokuva ja kuva

Selective focus of female scientist with clipboard pointing to male colleague with laptop near sewerage

Male scientist in protective mask and suit writing in clipboard while sitting near sewerage

Two scientists in protective suits and masks working with laptop near sewerage

Biologist wear protective suit and mask collects sample of waste water from industry, problem environment, Ecologist sample taken dead fish to inspection and save data to laptop computer, Toxic water

Biologist wear protective suit and mask collects sample of waste water from industry, problem environment, Ecologist sample taken dead fish to inspection and save data to laptop computer, Toxic water

Male scientist in protective suit and mask taking sample of water in test flask outdoors

Male scientist in protective mask and suit sitting with working suitcase near sewerage

Selective focus of male scientist in protective mask and suit writing in clipboard while sitting near sewerage

Cropped image of male scientist in latex gloves taking sample of stone by tweezers outdoors

Pest control worker in respirator spraying pesticides with sprayer on building wall

Pest control worker spraying pesticides on street with sprayer

Low angle view of pest control worker standing with sprayer

Pest control worker spraying pesticides with sprayer on building wall on street

Portrait of pest control worker in respirator looking at camera

Pest control worker in respirator holding sprayer

Portrait of pest control worker in respirator looking at camera