Tsache ndi chiyani? Tonse timadziwa kuti tsache ndi chiyani: chida choyeretsera chopangidwa ndi ulusi wolimba (pulasitiki, tsitsi, mankhusu a chimanga, ndi zina zotero) zomwe zimagwirizanitsidwa ndi chogwirira cha cylindrical. M'mawu ochepa aukadaulo, tsache ndi burashi yokhala ndi chogwirira chachitali chomwe nthawi zambiri chimagwiritsidwa ntchito kuphatikiza ndi fumbi. Ndipo inde, tsache...
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