He beer keg , high - barrier active materials atanga siam packaging container hian venhimna tha tak a pe a ni. Pawn lam boruak leh UV rays te chu effective takin a block a, hun rei tak chhung chu beer a thar zelna chu a vawng reng a ni. Filling hnuah pawh a hawn loh chhung chuan beer chu prime condition-ah a awm reng a ni.