Ipholiyesta enomgongxo ezantsi njengefayibha, ekwabizwa ngokuba ngumqhaphu ophantsi, okwaziwa ngokuba ngumqhaphu ongenanto, umqhaphu wesilika, umqhaphu we-pp, umqhaphu ofakwe ngesandla kunye namanye amagama ahlukeneyo, yinto eqhelekileyo endaweni yedada lendalo phantsi kwibala lokuzaliswa kwempahla.Isakhiwo salo sangaphakathi esiyingqayizivele sifana ne-vacuum layer, ukwenzela ukuba kufezekiswe umphumo okhethekileyo wokuhlukanisa umoya obandayo wangaphandle, ukufudumala ukushisa kunye nokugcinwa kobushushu, ngokukodwa kusetyenziswa kwiingubo, iingubo zasekhaya, iibhedi, iithoyizi eziphezulu eziphezulu kunye namanye amashishini.
Ukutyibilika, ukuva okuhle, ukuphinda kuphindwe kabini, abathengi bathatha amakhadi ukuze bazalise iimveliso ezigqityiweyo.