khudara vikretaaon ke maadhyam se bikne vaale utpaadon ke nirmaata khudara vikreta ko beche gaye apne utpaadon ko badhaava dene ke liye ek seemit avadhi ke liye is ummeed ke saath chhoot deta hai, ki khudara vikreta bachat ko apne graahakon tak pahunchaaega. haalaanki, khudara vikreta aamtaur par forward baaing mein vyast ho jaate hain aur chhoot avadhi ke dauraan adhik utpaad khareedne lagte hain jitna ki ve prachaar avadhi ke dauraan bechne ka iraada naheen rakhate. kuchh khudara vikreta ek prakaar ke antarapanan mein sanlagn ho jaate hain aur riyaayati utpaad ko anya khudara vikretaaon ko bechne lag jaate hain, is abhyaas ko daaivarting ke roop mein jaana jaata hai. is abhyaas ka mukaabala karne ke liye, nirmaata, prachaarit maal par RFID taig ke prayog ki sambhaavanaaon ko talaash rahe hain taaki ve track kar sakein ki vaastav mein kaun sa utpaad poori tarah se riyaayati keematon par aapoorti shrrunkhala ke maadhyam se becha gaya hai.[27]
prativedan ke liye engineer digital system ke prakaaron par vichaar karte hain. adhikaansh digital system "sanyojan system" aur "anukramik system" mein vibhaajit ho jaate hain. sanyojan pranaali mein hamesha jo input diya jaata hai vahi aautaput vah deta hai. yeh mool roop se laujik prakriya ke set ka pratinidhitv karta hai aur jiski charcha pehle hi ki ja chuki hai.

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