Επιστήμονας με προστατευτική στολή και μπλε γάντια, διεξάγει μελέτη στο έδαφος, ρίχνει μπλε υγρό από δοκιμαστικό σωλήνα σε φιάλη - Φωτογραφίες & Εικόνες Αρχείου

Lab worker in protective suit takes water from a river for further analysis

A specialist in a protective suit and blue rubber gloves in nature does a water analysis using a flask with a blue reagent and a pipette, close-up

Specialist in a protective suit and mask, is measuring the device on the pond, holding it in his hands, close-up

A man crouched in a protective suit to take a sample of a plant from water into a Petri dish for laboratory research

Laboratory worker takes samples from the bottom of the lake

An environmental laboratory specialist in a protective suit lids a glass container with a soil sample for research

Scientist in a protective suit and mask, collects biomaterials from the water, for analysis, in a Petri dish

A man in a protective suit holds a Petri dish with a sample for plants and looks at the reaction in it after adding the reagent, top view

A man in special protective clothing and a mask draws water from a river into a flask after discharges into the river, checking the river for environmental friendliness

In the hands of plant samples from the river and its surroundings by a man in a special suit, side view

Environmental laboratory specialist in protective suit and mask in a gutter pours water into a flask to study the level of pollution, close-up

A man in a protective suit holds a Petri dish with a sample for plants and looks at the reaction in it after adding the reagent, side view against the background of the river

A man in a protective suit holds a Petri dish with a sample for plants and looks at the reaction in it after adding the reagent

A man in a protective suit and mask looks away holding a flask with express test

Environmental specialist in a protective suit and mask took a sample of wastewater water to study the level of pollution