Chitsulo cha perforated ndi chidutswa chachitsulo chomwe chadindidwa, chopangidwa, kapena kukhomedwa kuti chipange mabowo, mipata, ndi maonekedwe osiyanasiyana okongola. Mitundu yambiri yazitsulo imagwiritsidwa ntchito popanga zitsulo, zomwe zimaphatikizapo chitsulo, aluminiyamu, chitsulo chosapanga dzimbiri, mkuwa, ndi titaniyamu. Inu...
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