Lub neej tom ntejTsiaj PreformsHauv cov zaub mov thiab dej haus cov haujlwm zoo li muaj zog, tsav los ntawm kev txhim kho thev naus laus zis txuas ntxiv thiab hloov cov neeg siv khoom nyiam .
Kev nrhav nyob rau hauv cov khoom kev tshawb fawb yog ua rau kev txhim kho cov tsiaj uas muaj cov tsiaj muaj sia ntawm cov khoom lag luam zoo .
Kev sib xyaw ntawm cov tshuab ntse me, xws li RFID cov cim npe thiab cov pa tawm ntawm cov khoom siv hluav taws xob kom ua tau kev siv tus tsiaj (rpet) ua ntej
Cov neeg tau txais kev thov kev thov rau kev siv lub khw muag khoom noj khoom haus, raws li kev tiv thaiv cov khoom lag luam thiab cov khoom noj ib puag ncig, thiab ua kom tau raws li kev tswj hwm cov qauv.
Raws li thev naus laus zis thiab kev ruaj khov yuav dhau los ua qhov tseem ceeb, cov khoom lag luam tsiaj, cov khoom noj khoom haus thiab dej haus, cov neeg siv khoom nyiam.