Isisekelo Sokuvikela Umbani
1. Ukusebenza okuhle kakhulu: Kwenziwe ngezinto zokuhlanza okuphezulu, ukuqinisekisa ukuhanjiswa kwamanje okusheshayo kanye nokumelana okuphansi, okwenza ngcono ukusebenza kahle kwamamojula we-PV.
2. Izinto ezisezingeni eliphakeme: Ubuchwepheshe befilimu obuthuthukile bukhethiwe, ngamandla amahle emishini kanye nokuqina kwamakhemikhali, ukuzivumelanisa nezindawo ezahlukahlukene zokusebenza.
3. Ukuqina okuphezulu: ukumelana okuhle nokugqwala nokugqwala, ukwazi ukusebenza ngokuningi isikhathi eside ngaphansi kwezimo zezulu ezinzima.
I-4. Idizayini emincane futhi engasindi
I-5. Kulula ukucubungula: Kungasikwa futhi kubunjwe njengoba kudingeka ukulingana nosayizi ohlukile wamaphaneli elanga kanye nokucushwa kohlelo.
6. Imvelo enobungane: izinto ezingezona zobuthi zisetshenziselwa ukuhambisana namazinga ezemvelo, ukuqinisekisa umthelela omncane emvelweni.