1.iphampu yevacuum yesikulufu esonga amandla isebenzisa iphrofayela yesikulufu yesizukulwane esisha.
2.ishayelwa ngokuqondile , akukho ukulahleka kokudluliselatothola cishe u-100% wokudlulisela kahle.
3.Ukulawula ukuguqulwa kwefrikhwensi ye-Vector, ukusabela okusheshayo, ukusatshalaliswa okunengqondo kwevelu yamanje, nomthelela ongcono we-torque wokuthuthukisa.
4.Uhlu olugcwele lobuchwepheshe bokuguqulwa kwefrikhwensi kazibuthe unomphela