Mannelijke wetenschapper in beschermend masker en pak zetten latex handschoen in bos - Stockfoto’s en -afbeeldingen

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

Side view of male scientist in latex gloves taking sample of stone by tweezers outdoors

Ecologist sampling water toxic chemicals from river with test tube glass and have white smoke, Biologist wear protective suit and mask collects sample waste water from industrial, problem environment

Asian scientist wearing Chemical protection suit working at dangerous zone collecting samples in case of Corona virus investigation outbreak from China.

Asian scientist wear Chemical protection suit check danger chemical working at dangerous zone

Asian scientist wear Chemical protection suit check danger chemical working at dangerous zone

Asian scientist wear Chemical protection suit check danger chemical working at dangerous zone

Asian scientist wear Chemical protection suit check danger chemical,working at dangerous zone,authenticating the dangerous chemicals

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

Pest control worker spraying pesticides on street with sprayer

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

Pest control worker spraying pesticides on bush

Pest control worker in respirator holding sprayer

Low angle view of pest control worker standing with sprayer

Pest control worker spraying pesticides on street