Umthumeli woxinzelelo lwedijithali, usebenzisa amacandelo avela kumazwe angaphandle oxinzelelo loxinzelelo, kunye nokumelana nelaser yekhompyuter yembuyekezo yobushushu, kusetyenziswa uyilo oluhlanganisiweyo lwebhokisi yokuhlangana.Ngeetheminali ezikhethekileyo kunye nomboniso wedijithali, ukufakwa lula, ukulinganisa kunye nokugcinwa.Olu luhlu lweemveliso zifanelekile kwi-petroleum, ukugcinwa kwamanzi, ushishino lweekhemikhali, isinyithi, amandla ombane, imboni yokukhanya, uphando lwezenzululwazi, ukhuseleko lokusingqongileyo kunye namanye amashishini kunye namaziko, ukuphumeza umlinganiselo woxinzelelo lwe-fluid kwaye usebenzise kwiimeko ezahlukeneyo zonke- imo yezulu kunye neentlobo ngeentlobo zolwelo oludlekayo.