Umatshini Okrelekrele Wokutshanela Nokosula Umgangatho I-Satuo F7 ngumatshini okrelekrele wokutshanela nokosula umgangatho osetyenziswa ekhaya. Isikrini esikhulu esichukumisayo kunye nenkqubo ekrelekrele yonxibelelwano zivumela abasebenzisi ukuba batshintshe phakathi kweendlela zokusebenza ezili-13 namanqanaba okufefa amanzi, kwakunye nokujonga ulwazi lwebhetri kunye neengxaki. Izibane ezibini ze-ultraviolet zibulala iintsholongwane, ngelixa amalaphu okucoca nokupolisha atshintshwayo axhasa ukususwa kwe-formaldehyde kunye nokugcinwa kwemigangatho yeplanga. Isibambo esicekethekileyo kunye nentloko yokosula egoba ngeedigri ezingama-90 zifikelela kwiisofa nakwiindawo ezingaphantsi kweebhedi. Umzimba ugqityezelwe ngokupeyintwa okutshintshayo ngokuthe ngcembe ukusuka kumbala ongwevu wompu ukuya kowe-orenji.