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Environmental researchers investigate the condition of canal water for toxic spills, river waste water sampling, Asian researchers collect water samples in farmland for research and development.
Environmental engineers inspect water quality,Bring water to the lab for testing,Check the mineral content in water and soil,Check for contaminants in water sources.
Water in Orlík dam in the Czech Republic. It is full of blue green algae. This environmental catastrophe is caused by lack of rainfall, drought and phosphorus contamination from fields fertilisers.
Removing stains and disinfecting car door. Cleaning and disinfecting by steam cleaner of the leather car interior
Lost fishing net lies on seabed in green algae Ulva on bright sunny day in sun glare in Black sea, Ghost gear pollution of Seas and Ocean, Black Sea, Odessa, Ukraine

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