Wissenschaftler im Chemikalienschutzanzug mit konischem Kolben entnimmt Probe aus Fluss zur Analyse - Stockfoto & -bild

Scientist in chemical protective suit with test tube taking sample from river for analysis

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

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

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

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

Young environmentalist in protective suit takes water samples in river

Ecologist working together on on dirty beach of the lake. Ecology and people concept.

Scientist in chemical protective suit with test tube taking sample from river for analysis, closeup

Scientist with test tube taking sample from river for analysis, closeup

Scientist with florence flask taking sample from river for analysis, closeup

Scientist with test tube taking sample from river for analysis, closeup

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

Person in hazmat suit spraying disinfectant onto bench outdoors. Surface treatment during coronavirus pandemic

Scientist in chemical protective suit with florence flask taking sample from river for analysis, closeup

Person in hazmat suit disinfecting street pavement with sprayer, closeup. Surface treatment during coronavirus pandemic

Person in hazmat suit disinfecting street pavement with sprayer. Surface treatment during coronavirus pandemic