Ulayini wokuhlikihla, owaziwa nangokuthi ulayini wokukhiqiza wokusika, usetshenziselwa ukususa amakhoyili, ukusika, nokuhlehlisa amakhoyili ensimbi abe yimicu yobubanzi obudingekayo. Ijubane liyashesha kakhulu futhi amandla okukhiqiza aphezulu. Uma kuqhathaniswa nomshini wejubane eliphansi, okukhiphayo kanye nokusetshenziswa kwamandla ngesikhathi esifanayo kunezinzuzo ezisobala. I-DC main motor, inempilo ende nokusebenza okuzinzile nokuthembekile.
Ilungele ukucubungula insimbi ye-carbon ebandayo egoqwe futhi eshisayo, insimbi ye-silicon, insimbi engagqwali kanye nezinto ezihlukahlukene zensimbi ngemva kokumbozwa kwendawo.