Kuti muzindikire ntchito yotsatsira, nambala ya QR iyenera kukhala yokhalitsa komanso yokhazikika ndipo makina ojambulira laser a UV ndiye makina ofunikira kuti izi zichitike.
M'mbuyomu, anthu amafunikira kulemba ulalo wonse kapena kutembenukira ku google ngati akufuna kusakatula tsamba linalake. Koma tsopano, ndi kachidindo ka QR, titha kugwiritsa ntchito foni yathu kuti tijambule ndipo tidzatumizidwa kutsamba linalake, lomwe ndi losavuta. Chifukwa chake, nambala ya QR tsopano imagwiritsidwa ntchito kwambiri pamapaketi azinthu zambiri zogula, monga chakudya, chakumwa, zamagetsi ndi zina. Kuti muzindikire ntchito yotsatsa, nambala ya QR iyenera kukhala yokhazikika komanso yokhazikika ndipo makina ojambulira laser a UV ndiye makina ofunikira kuti izi zichitike.
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