Mohokahanyi ka kutloisiso e akaretsang e bua ka likarolo tsa electromechanical tse hokahanyang li-conductor (lithapo) tse nang le likarolo tse loketseng tsa ho nyalana ho fihlela khokahanyo ea hona joale kapa ea pontšo le ho khaola.E sebelisoa haholo sebakeng sa sefofane, puisano le phetisetso ea data, likoloi tse ncha tsa matla, lipalangoang tsa literene, lisebelisoa tsa elektroniki tsa bareki, bongaka le masimo a mang a fapaneng.