1. Isakhiwo sonke sohlaka lwensimbi engagqwali (ingxenye yokuxhumana yezindlela ezintathu kanye noxhumano oluhle lwezindlela ezine) ihlangene futhi iqinile, futhi kulula ukuyihambisa.
2. I-VFD (i-variable-frequency drive) isilawuli semoto singakwazi ukubona ukusebenza kwesivinini esiphakathi nendawo esiphansi, okunembile futhi okusebenzisekayo.Futhi isistimu yokuvikela ukuqhuma ngokugcwele ingenzeka.