Isivalo socango sikwabizwa ngokuba sisithinteli socango.Ikwasisixhobo esifunxayo size sibone igqabi locango emva kokuba livuliwe ukuze lingavalwa ngokubethwa ngumoya okanye ngokuphatha igqabi locango.Isivalo socango sahlulwe saba ziindidi ezimbini: isivalo socango olusisigxina somagnetic kunye nesivalo socango sombane.Izithinteli ezisisigxina zemagnethi emnyango zisetyenziswa ngokubanzi kwiingcango eziqhelekileyo kwaye zinokulawulwa ngesandla kuphela.Izithinteli ze-Electromagnetic door zisetyenziswa kucango olulawulwa ngombane kunye nezixhobo zefestile ezinjengeengcango zomlilo, kwaye zinemisebenzi yolawulo lwezandla kunye nolawulo oluzenzekelayo.