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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.
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
Contaminated bird nests with garbage produced from households.
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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