Corona tsi ladat gara hku bungli galaw ai

Corona tsi lajang ai lam gaw, plastic sumla hkrung ni hta coating ni hpe n-gun jaw ai lam hpe grau kaja hkra galaw ai, polypropylene (sh) polyethylene sumla hkrung ni hpe dip shapraw ai hte seng ai n-gun ja ai lam ni hpe hparan ya ai. Dai hta n-ga, sumla hkrung a ntsa hte tsaw ai-}}solids radiation- n-gun ni gaw polyvinyl chloride hte polyester zawn re ai sumla hkrung ni a ntsa n-gun hpe jat ya ai. Hkrang shala ai lam ni a matu, n-gun ja ai lam hpe grau kaja hkra galaw na matu, wan hkru ai lam, corona tsi lajang ai lam, coating ni lawm ai.