Umnyango womlilo wensimbi omhlophe ungowesimanje futhi ulula, unezitayela ezihlukahlukene futhi usekela ukwenza ngokwezifiso. Umnyango womlilo wensimbi unokumelana nomlilo oqinile, futhi ugcwele i-perlite yekhwalithi ephezulu ye-refractory. Indawo engaphezulu iphathwa ngesifutho se-electrostatic futhi ifakwe isikhiya somlilo.