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Vector background with environmental pollution. Factory plant smokes with smog, trash emission from pipes to river water. Grey sky and polluted grass. Ecology, nature concept with dirty pond, grey sky
Social distancing prevention corona virus covid-19
Aerial view of water treatment factory at city wastewater cleaning facility. Purification process of removing undesirable chemicals, suspended solids and gases from contaminated liquid
A technician use the Professional Water Testing equipment to measure the water quality at the public canal. Portable multi parameter water quality measurement. Water quality monitoring concept.

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