Ukubona umsebenzi wokuphromotha, ikhodi ye-QR idinga ukuhlala njalo futhi unomphela futhi umshini wokumaka we-laser we-UV uwumshini ofisa ukwenza lokhu kwenzeke.
Esikhathini esedlule, abantu badinga ukuthayipha yonke i-url noma baphendukele ku-google uma befuna ukuphequlula iwebhusayithi ethile. Kodwa manje, ngekhodi ye-QR yokufika, singavele sisebenzise umakhalekhukhwini wethu ukuyiskena futhi sizoqondiswa ngokushesha kuwebhusayithi ethile, okuyinto elula kakhulu. Ngakho-ke, ikhodi ye-QR manje isisetshenziswa kabanzi o amaphakheji wezimpahla eziningi zabathengi, njengokudla, isiphuzo, i-electronics nokunye. Ukuze ubone umsebenzi wokuphromotha, ikhodi ye-QR idinga ukuhlala njalo futhi unomphela futhi umshini wokumaka we-laser we-UV uwumshini ofisa ukwenza lokhu kwenzeke.
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