Vízminta a tóból, folyó. Laboratóriumi asszisztens által végzett vízmintavétel minőségi mutatókhoz. - Stock fotó és kép

Analysis of water from the river for pollution. Hand in a blue glove holds a test tube. The concept of environmental pollution, ecology

Inspector holding a chemical flask with river water. Water testing for infections.

Fence, check the water sample for infections. Gloved hand with a flask and a test tube on a background of lake, river, sea. Pollution of ecology, environment

Chemical and environmental glass in industry