Male scientist in protective mask and suit examining sample of water in test flask outdoors - Stock Photo & Image

Cropped image of male scientist in protective suit and mask putting sample of soil by tweezers in test flask outdoors

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

Close-up, the terrorist in a protective suit and gloves, pours liquid with poison, for infection, in a drainpipe

Ecologist in protective costume and respirator touching tree leaves in forest

A scientist in a protective suit and mask collects a sample of water in a flask with a blue liquid

Female scientist in protective mask and suit writing in clipboard while her colleague putting sample of water

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

Pest control worker spraying pesticides on bush

Selective focus of female scientist in protective suit and googles holding clipboard in meadow

Pest control worker spraying pesticides on street

Portrait of pest control worker in respirator looking at camera

Pest control worker in uniform spraying chemicals on bush