Αρσενικό επιστήμονας στην προστατευτική στολή κρατάει δείγμα χώματος από τσιμπιδάκια και νερό σε φιάλη δοκιμής σε εξωτερικούς χώρους - Φωτογραφίες & Εικόνες Αρχείου

Male scientist in protective suit and mask putting sample of soil by tweezers in test flask outdoors

Scientist wearing protective uniform and glove under working water analysis and water quality by get waste water to check case in laboratory is environment pollution problem concept

Male scientist in protective suit and latex gloves taking sample of water in test flask outdoors

Selective focus of water inspector in protective costume and inspection kit on foreground

A man in a protective suit and mask with a special device checks the level of air pollution

Scientist wearing protective uniform and glove under working water analysis and water quality by get waste water to check case in laboratory is environment pollution problem concept

A scientist in a gray protective suit, helmet and mask, on a pond, pours a green liquid from a flask into a test tube, for research

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 spraying pesticides on bush

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

Pest control worker in uniform and respirator spraying pesticides on street with sprayer

Pest control worker spraying pesticides on floor at home

Male pest control worker in uniform spraying chemicals on bush

Pest control worker spraying pesticides on street with sprayer