Científico masculino en traje protector y máscara poniendo muestra de tierra por pinzas en frasco de prueba al aire libre - Foto e imágenes de stock

Male scientist in protective suit holding sample of soil by tweezers and water in test flask outdoors

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

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

Laboratory assistant in a protective suit and mask with a mini laboratory conducts an express test at the site of the alleged environmental pollution

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

Environmental protection company employee makes measurements of river water purity

A specialist in a protective suit takes a photo of the place of alleged pollution of the reservoir using a mobile phone

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

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

Male pest control worker in uniform spraying chemicals on bush

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

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

Cropped image of pest control worker spraying pesticides on bush

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