Makina ojambulira barcode nthawi zambiri amakhala m'gulu la luso lojambulira, monga makina ojambulira a barcode ndi zithunzi, koma muthanso kupeza zojambulira barcode zomwe zili m'magulu monga POS (point-of-sale), mafakitale, ndi mitundu ina, kapena ndi ntchito, monga chogwira m'manja, ...
Werengani zambiri