Xa kuziwa ekukhetheni isikhululo esifanelekileyo sokulawula ukuqhuma, kukho imiba ephambili emininzi ekufuneka iqwalaselwe. Ukuziqonda ezi zinto kunokukukhokelela ekubeni wenze ukhetho olunolwazi.
Umzekelo:
Kukho iimodeli ezahlukeneyo ezikhoyo, njenge BZC, LBZ, LNZ, njl. Ngelixa ezi modeli zahlukile, imigaqo yabo yokulawula kunye nokufakela i-wiring zifana ngokubanzi. Kubalulekile ukuba ukhethe ngokusekelwe kwiimfuno zakho ezithile.
Izinto eziphathekayo:
Izinto ezisetyenziswa kwezi zikhululo ziyahluka kwaye zibandakanya insimbi engenasici kunye nenqanaba lokumelana nokubola kweWF2., iiplastiki zobunjineli zikwalinganiswe kwi-WF2 yokuxhathisa umhlwa, kunye nealloyi yealuminiyam eyaziwa ngeempawu zayo ezigqwesileyo ezinobungqina bokudubula.
Iiyunithi:
Ukuqonda iiyunithi kwisikhululo solawulo kubalulekile. Abantu abaninzi abazi ukuba ezi yunithi zimele ntoni. Umzekelo, ‘A’ ichaza inani lamaqhosha; ‘D’ ibonisa inani lezibane zesikhombisi; ‘B’ ibonisa inani lee-ammeters; ‘R’ imele inani le potentiometers; ‘K’ yeyenani lotshintsho lokutshintsha (izikhundla ezibini okanye ezithathu); 'L’ ukwenzela ukunyuswa ngokuthe nkqo; kunye 'G’ yokuxhoma ufakelo.