Scienziato maschio in maschera protettiva e tuta aprendo valigia di lavoro mentre la sua collega donna scrive negli appunti - Foto e immagini stock

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

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

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

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

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

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

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

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

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

Pest control worker spraying pesticides on street with sprayer

Low angle view of pest control worker standing with sprayer

Pest control worker standing in respirator in bathroom with sprayer

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

Pest control worker in respirator holding sprayer

Pest control worker standing in uniform with crossed arms in kitchen

Portrait of pest control worker in respirator looking at camera