Amostra de água do rio para análise. Mão na luva segurando um conceito de teste tube.ecology - Banco de fotos e imagens

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

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

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

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