Umshini wokusonga amaphepha wensipho kabililuhlobo lwemishini yokupakisha esetshenziswa embonini yokukhiqiza insipho.Iklanyelwe ngokukhethekile ukugoqa izinsipho ezinezingqimba ezimbili zephepha, ihlinzeka ngesisombululo sokupakisha esivikelayo nesikhangayo.Uma kukhulunywa ngezidingo zokupakisha ze-ainsipho umshini wokusonga iphepha kabili,kunezici eziningana ezibalulekile okudingeka zicatshangelwe ukuze kuqinisekiswe ukusebenza kahle nokusebenza kahle kwenqubo yokupakisha.
