Ishidi lekhadi le-PVC liwukhiye ophakathi nendawo ku-ID, ubulungu namakhadi e-RFID, nemikhiqizo yaseShayina ethatha ingxenye yemakethe yomhlaba wonke engaphezu kuka-80% ngenxa yokusebenza okuphezulu nochungechunge lwezimboni oludidiyelwe. Lesi sihloko sibala abakhiqizi abangu-15 baseShayina abahamba phambili abanezikhundla ezihlukene kanye namathiphu okukhetha abahlinzeki. Abahlinzeki baseShayina bangahlangabezana kahle nezidingo zezinto ezingavuthiwe zabakhi bamakhadi bomhlaba.
