Umatshini wokupakisha ozenzekelayo we-blister wakhiwe kwi-ALU / PVC kunye ne-ALU / ALU yokupakishwa kweemveliso ezahlukeneyo zamayeza kunye nokutya, njengamacwecwe, iipilisi, iipilisi, iilekese, kunye nezinye izinto zoshishino.