Scienziato maschio in tuta protettiva e maschera scrittura negli appunti mentre la sua collega esaminando campione d'acqua in fiaschetta di prova all'aperto - Foto e immagini stock

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

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

Scientist man in protective uniform standing on summer field

Weed control. Industrial agriculture researching. Man with digital tablet in protective suite and mask taking weed samples in the field. Natural hard light on sunny day.

Weed control. Industrial agriculture researching. Man in protective suite and mask taking weed samples in the field. Natural hard light on sunny day.

Weed control. Industrial agriculture researching. Man in protective suite and mask taking weed samples in the field. Natural hard light on sunny day.

Weed control. Industrial agriculture researching. Man with digital tablet in protective suite and mask taking weed samples in the field. Natural hard light on sunny day.

Pickup of suitcase of drugs by criminologist technician outdoor on meadow

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

Pest control worker in uniform spraying pesticides on bush

Pest control worker in respirator 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 floor at home

Cropped image of pest control worker spraying pesticides on bush

Pest control worker spraying pesticides on street with sprayer

Pest control worker spraying pesticides on bush