Yini i-pulley? I-pulley iyisisetshenziswa esilula somshini noma umshini (ongaba ngokhuni, insimbi, noma ipulasitiki imbala) ehlanganisa intambo enwebekayo, intambo, iketango, noma ibhande elithwelwe onqenqemeni lwesondo. Isondo, elibuye libizwe ngokuthi isithungu noma isigubhu, lingaba yinoma iyiphi ...
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