Eine Wasserprobe aus dem Fluss. Hand in Hand sammelt Wasser im Reagenzglas. ökologisches Konzept - Stockfoto & -bild

A water sample from the river. Hand in glove collects water in a test tube. ecology concept

Sample water from the river for analysis. Hand in glove holding a test tube.ecology concept

Sample water from the river for analysis. Hand in glove holding a test tube.ecology concept

Sample water from the river for analysis. Hand in glove holding a test tube.ecology concept

A water sample from the river. Hand in glove collects water in a test tube. ecology concept

A water sample from the river. Hand in glove collects water in a test tube. ecology concept

Sample water from the river for analysis. Hand in glove holding a test tube.ecology concept

Sample water from the river for analysis. Hand in glove holding a test tube.ecology concept

Sample water from the river for analysis. Hand in glove holding a test tube.ecology concept

A water sample from the river. Hand in glove collects water in a test tube. ecology concept

A water sample from the river. Hand in glove collects water in a test tube. ecology concept

A water sample from the river. Hand in glove collects water in a test tube. ecology concept

Sample water from the river for analysis. Hand in glove holding a test tube.ecology concept

A water sample from the river. Hand in glove collects water in a test tube. ecology concept