Yenziwe isikhunta esiyimfihlo esinembayo nesikhethekile selungelo lobunikazi, esikhundleni sesikhunta esisesidlangalaleni esingamahloni nesingenalo ilungelo lobunikazi.Zonke zenziwe ngezinto ezisetshenziswayo zoqobo (okuhlanganisa kodwa akukhawulelwe kulokhu: ipulasitiki yesandla sokuqala, izakhi ze-elekthronikhi ezisetshenziswa kuqala, ama-chip e-IC) .Ibhethri ilungele ukushintshaniswa ngokushesha nokushajwa ngokushesha, inemodular ukuklama kanye nenkomba yamandla engabonisa inani lamandla, futhi inokukhuthazela isikhathi eside: isikhathi sendiza esingaphezu kwemizuzu engu-6 ngesikhathi (umkhiqizo Wezinga A futhi ngokuvikelwa okuphindwe kabili, ngeke kube khona ingozi yokushajwa ngokweqile).Usayizi omncane, amandla amakhulu, kulula ukuthwala, namandla anele.