A vizet védőruha és maszk szakember ellenőrzi - Stock fotó és kép

Laboratory assistant with test tube, thumb up, blurred background

Laboratory assistant in respirator and blue gloves with test tube in hands takes sample of water near lake shore

Lab assistant with test tube, finger down, blurred background

Ecologist with bulb and raised finger down on nature

Biologist with bulb and folder on river bank, blurred background

Photography of environmentalist for examination takes water in reservoir

Checking the water by a specialist in a protective suit and mask

Doctor holds a medical mask in his hands. the concept

The used respirator lies on the cellophane. toned

Painting the walls of the spray. hand in yellow rubber gloves holding spray paint. repairs

Cat with green eyes in a protective medical mask. concept