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Suvning qattiqligi va uni yumshatish usullari
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This book discusses the types of water hardness, including temporary and permanent hardness, as well as the chemical composition of water hardness
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Premium Content
Suvning qattiqligi va uni yumshatish usullari
4,000so'm
Betlar soni
15 taFayl hajmi
11.07 MBFayl turi
.pptx
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