Scienziato maschio in tuta protettiva che punta sullo schermo del computer portatile a collega femminile vicino al fiume all'aperto - Foto e immagini stock

Male scientist in protective suit and mask pointing at water to female colleague with laptop outdoors

Female scientist working with laptop while her colleague opening working suitcase near river

Scientist in chemical protective suit with conical flask taking sample from river for analysis

Young environmentalist in protective suit takes water samples in river

Full length view of water inspector in protective suit holding inspection kit and standing on river coast

Side view of water inspector in protective costume and respirator holding test tubes and flask with water samples at river

Full length view of water inspector in protective costume, latex gloves and respirator holding flask with water sample at river

Full length view of water inspector in protective costume, latex gloves and respirator holding flask with water sample at river

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

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

Pest control worker spraying pesticides on street with sprayer

Pest control worker spraying pesticides on bush

Portrait of pest control worker in respirator looking at camera

Low angle view of pest control worker standing with sprayer

Pest control worker in respirator holding sprayer

Pest control worker spraying pesticides with sprayer on building wall