Uphawu:
1. Isithando somlilo sisetyenziselwa ukugcinwa kunye nokugcinwa kobushushu bamanzi e-aluminium;
2. Izixhobo ezinamandla zokutshintsha ubushushu (iteknoloji ye-patent), ukusetyenziswa kwakhona kobushushu benkunkuma ye-flue, ukugcinwa kwamandla kunye nokukhuselwa kwendalo;