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Bacterial Cultures in Petri Dishes in microbiology laboratory. Test various germs, virus, Coronavirus, Corona, COVID-19, Food science.
Two Environmental Engineers Inspect Water Quality and Take Water Samples Notes in The Field Near Farmland, Natural Water Sources maybe Contaminated by Toxic Waste or Suspicious Pollution Sites.
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.
Close up of a hiker filling canteen with river raw water
Radioactively contaminated Shrimp. nuclear electric power waste water container radioactive to Shrimp. Japan starts discharging treated water into the sea. Japan nuclear power plant into the ocean.

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