Scienziato femminile che punta su acqua di fognatura a collega maschio con computer portatile - Foto e immagini stock

Two scientists in protective suits and masks working with laptop near sewerage

Male scientist in protective mask and suit sitting with working suitcase near sewerage

Male scientist putting sample of water in test flask while his female colleague writing in clipboard near sewerage

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

Male scientist in protective mask and suit writing in clipboard while sitting near sewerage

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

Woman found drowned on river bank in city placed in body bag for transportration

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

Pest control worker spraying pesticides with sprayer on building wall on street

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

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

Pest control worker in respirator holding sprayer

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 bush