Ukulwa umlilo i-IUl IL IL I-SOSTED ye-24reepering i-24 isokethi ephezulu kakhulu ye-plumbaing yenziweyo yenkqubo yokukhuselwa komlilo. Yenziwe ngezinto ezomeleleyo, oku kunciphisa isokisi kuqinisekisa uqhagamshelo olukhuselekileyo kunye nokuvuza phakathi kwemibhobho yobukhulu obahlukeneyo.