Männlicher Wissenschaftler in Schutzmaske und Anzug, der Fische mit der Pinzette hält, während seine Kollegin im Freien im Klemmbrett schreibt - Stockfoto & -bild

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

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

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

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

Male scientist in protective mask, googles and suit looking away and writing in clipboard in meadow

Two scientists in protective suits and masks examining fish and writing in clipboard outdoors

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

Scientists in protective masks and suits examining fish and writing in clipboard against cloudy sky

Pest control worker spraying pesticides on street with sprayer

Pest control worker standing in respirator in bathroom with sprayer

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

Low angle view of pest control worker standing with sprayer

Pest control worker standing in uniform with crossed arms in kitchen

Portrait of pest control worker in respirator looking at camera

Portrait of pest control worker in respirator looking at camera

Portrait of pest control worker standing in respirator and holding sprayer in kitchen