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Sinf va o‘quv xonalarining shamollatilishini gigiyenik baholash
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This book discusses the ventilation systems in classrooms and their importance for hygiene. It covers different types of ventilation systems and their efficiency in providing fresh air
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#ventilyatsiya#havo sifati#shamollatish tizimlari
Premium Content
Sinf va o‘quv xonalarining shamollatilishini gigiyenik baholash
5,000so'm
Betlar soni
11 taFayl hajmi
808.85 KBFayl turi
.pptx
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