Científico en traje de protección química con matraz cónico tomando muestra de río para su análisis, primer plano - Foto e imagen de stock

Scientist in chemical protective suit with florence 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

Scientist in chemical protective suit 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

A scientist in a protective suit and mask, takes a sample of liquid from the reservoir into test tubes

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

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

Scientist with test tube 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

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

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

Laboratory worker with Petri dish taking sample from pink lake for analysis, closeup

Person in hazmat suit disinfecting building wall with sprayer outdoors. Surface treatment during coronavirus pandemic

Person in hazmat suit disinfecting bench in park with sprayer. Surface treatment during coronavirus pandemic