Kukho iindidi ezimbini zamakhonkco erabha. Amakhonkco erabha adibeneyo kunye namakhonkco erabha acocekileyo Amakhonkco erabha ahlanganisiweyo ayenziwe nge-polyurethane ngaphandle kunye nentsimbi yentsimbi ngaphakathi. Izangqa zerabha ezicocekileyo zenziwe nge-polyurethane enye kunye nerabha, izixhobo ezahlukeneyo zisebenzisa amakhonkco erabha ahlukeneyo kunye nobunzima.
