Wissenschaftlerin in Schutzmaske und Anzug schreibt in Klemmbrett, während ihr Kollege eine Wasserprobe abgibt - Stockfoto & -bild

Two scientists in protective masks and suits examining fish and writing in clipboard near river

Male scientist in protective mask and suit opening working suitcase while his female colleague writing in clipboard

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

Male scientist in protective suit and mask holding fish by tweezers near river

Scientists or biologists working together on water analysis. Ecology and environmental pollution concept.

Male scientist in protective mask and suit holding fish by tweezers while his colleague examining it by magnifier near river

Selective focus of male scientist in protective mask and suit writing in clipboard near water outdoors

Pest control worker in respirator holding sprayer

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

Cropped image of male scientist in protective suit walking with working suitcase in meadow

Cropped image of pest control worker spraying pesticides with sprayer on building wall

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

Pest control worker spraying pesticides on street with sprayer

Low angle view of pest control worker standing with sprayer

Pest control worker spraying pesticides on street