Científico masculino en máscara protectora y traje poniendo muestra de hoja amarilla por pinzas en frasco de prueba al aire libre - Foto e imagen de stock

Focused male scientist in protective suit and mask examining stone while holding by tweezers in forest

Chemist showing laboratory test tube with blue liquid marked caution, danger

Cropped image of male scientist in protective suit and mask putting sample of soil by tweezers in test flask outdoors

Chemist analyzing infected water sample zone of alienation, radioactive forest

Laboratory assistant in respirator and blue gloves with test tube in hands takes sample of water near lake shore

Crime scene investigation - cartridge as evidence

Photo of a doctor in a white medical protective suit against a wooden wall of a charred house. He stands in front of the camera with a syringe in his hands in various poses.

Crime scene investigation - cartridge as evidence

Female scientist examining the liquid contents of a test tube in the forest. Ecology and environmental pollution concept.

Pest control worker spraying pesticides on street with sprayer

Portrait of pest control worker in respirator looking at camera

Pest control worker in respirator holding sprayer

Portrait of pest control worker in respirator looking at camera

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

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

Pest control worker spraying pesticides on street

Low angle view of pest control worker standing with sprayer