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SUV HAVZALARINI IFLOSLANISHDAN SAQLASH CHORALARI.SUVNI TOZALASH USULLARI
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The topic covers the natural flow of water, causes of water pollution, methods of water purification, and strengthening the topic.
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#water purification#environmental conservation#natural resources#water management
Premium Content
SUV HAVZALARINI IFLOSLANISHDAN SAQLASH CHORALARI.SUVNI TOZALASH USULLARI
7,000so'm
Betlar soni
13 taFayl hajmi
9.45 MBFayl turi
.ppt
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