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Laboratory, product inspection or person check safety security of hospital clinic, contamination or medicine. Shelf investigation, PPE hazmat suit or healthcare worker analysis of medical danger risk
Johannesburg, South Africa - A sign in a botanical garden, caution no swimmig please avoid contact with the water it is often contaminated with sewage before it enters the garden
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.
THE MOST COMMON DANGEROUS DOMESTIC POLLUTANTS WE CAN FIND IN OUR HOMES which cause poor indoor air quality and chronic disease - Sick Building Syndrome concept

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