Επιστήμονας σε στολή χημικής προστασίας με κωνική φιάλη που λαμβάνει δείγμα από το ποτάμι για ανάλυση, κοντινό πλάνο - Φωτογραφίες & Εικόνες Αρχείου

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

Water sample. A man's hand in a blue glove takes a sample water into a test tube. The concept of analysis of water purity, environmental pollution. Water testing for infections. Background, copy space

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

Water Purity Test. Hand holding a chemical flask or test tube with water. Lake or river in the background.

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

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

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

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

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

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

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