Männliche Wissenschaftler in Schutzanzug und Maske schreiben in Klemmbrett und zeigen, während seine Kollegin untersucht Probe von Wasser in Testkolben im Freien - Stockfoto & -bild

Male scientist in protective mask and suit holding fish by tweezers while his female colleague writing in clipboard outdoors

Male scientist in protective suit and mask writing in clipboard while his female colleague examining sample of water in test flask outdoors

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

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

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

Side view of male scientist in protective suit examining sample of water in test flask outdoors

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

Serious male scientist in protective mask and suit writing in clipboard near water outdoors

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

Cropped image of male scientist in latex gloves putting dry leaf by tweezers in test flask outdoors

Pest control worker spraying pesticides on bush

Pest control worker in uniform spraying pesticides on bush

Pest control worker spraying pesticides on metal shelves in kitchen

Pest control worker standing in respirator in bathroom and looking at camera

Pest control worker standing in respirator in bathroom with sprayer

Low angle view of pest control worker standing with sprayer