Plastic wrap hian oxygen permeability a nei tlem a, ei tur humhalh chhehvela oxygen leh moisture content awm zat tur a regulate theih loh avangin a chhung leh pawn lama oxygen inthlak danglamna avang hian oxygen leh moisture content a awm thei lo a, chu chuan anaerobic bacteria te lo thang lian zel tur leh boruak chhunga leivut a block thei a, chu chuan ei tur thar chhuahna hun chhung a tizau thei a ni. chuvangin preservation hian "tui tlak lehna tur "shelf life"{2}, leh "preservation te pawh a huam tel a ni Plastic wrap hi room temperature-ah kar khat vel chhung dah theih a ni.
