Environment pollution-ah hian acid ruah, lirthei exhaust leh plastic bag-te pawh boruakah a luang thei. membrane chuan thil tha lo hlauhawmna chu UV printer-te printing screen-ah a isolate thei a, thlalak chu a humhim thei bawk. Thlalak chu a bawlhhlawh a nih chuan, a chung lamah pawh a bawlhhlawh tlangpui. a ni a, awlsam taka silfai emaw, tihthianghlim emaw a ni thei bawk ang .
