Izisetshenziswa Zokuhlola Zaselabhorethri Ezithuthukisiwe I-Panorama yeLabhorethri Ukukhiya ithuluzi lokuhlola idivayisi Ithuluzi lokuhlola i-porosity Umshini wokuhlola i-inoil we-power-frequency puncture Imishini yokuhlola umthwalo wengcindezi Ukubuka komkhiqizi