Mashiinka sawirida fiilada waa siliga birta sawirida nabarka siliga birta ama gariiradda birta, iyo tuubada birta ama gariiradda birta ah ee dhaawaca ah ee noocyada kala duwan ee tuubada birta ah (ama suunka), iyo mishiinka sawir silig birta ah dhaawac. tuubada birta ah (ama suunka) ee mishiinka sawir gacmeedka, iyada oo loo marayo iskala bixin si loo soo saaro beddelka caaga ah ee fiilada birta ah ee birta ah si loo helo dhexroorka iyo qaabka loo baahan yahay.Farsamaynta sawiridda waxaa loo isticmaali karaa in lagu soo saaro dhammaan noocyada kala duwan ee siliga birta ah, saxan birta ah, daawaha naxaasta, daawaha saldhiga nikkel, daawaha aluminium iyo silig kale.processing sawir silig bir ahama, silig birta ahama lagu sakhiri doonaa in tallaabo xamaasad gaar ah, in habka of iskala, soo saari doonaa qallafsanaan gaar ah, si habka wax soo saarka si loo xakameeyo xawaaraha sawir sida waafaqsan shuruudaha sawirka, waqti isku mid ah. iyadoo loo eegayo maaddada iyo dhexroorka birta birta ah si ay u doortaan sawirka ku habboon dhinta.