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MAHALLIY VA MARKAZLASHGAN SUV TA’MINOTI HAQIDA TUSHUNCHA, ULARNING GIGIYENIK AHAMIYATI
4,000so'm
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7 taFayl hajmi
38.77 KBFayl turi
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This course covers the understanding and classification of local and centralized water supply systems, water sources and their hygienic properties, and the basic components and functions of water supply systems
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#health#hygiene#water supply
Premium Content
MAHALLIY VA MARKAZLASHGAN SUV TA’MINOTI HAQIDA TUSHUNCHA, ULARNING GIGIYENIK AHAMIYATI
4,000so'm
Betlar soni
7 taFayl hajmi
38.77 KBFayl turi
.docx
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