Film blowing jak ni gaw, n-gun ja ai hte n-gun ja ai n-gun ni lawm ai, bungli galaw ai masa amyu myu hpe hkam sharang lu ai, n-gun ja ai -htuk manu ai hkang zing hpaji hte jak rung hkrang hpe jai lang ai. Dai majaw, shingra tara hku jai lang ai shaloi, shanhte a service life gaw 8-10 ning jan du hkra rai lu ai. Raitim, shanhte a magam bungli prat gaw lawu na lam ni hta mung madung nga ai.
1. Hpaga lam galaw ai shara hpe san seng hkra galaw na. Film galaw ai lam gaw grup yin san seng lam hpe grai myit maju jung ra ai bungli langai rai nga ai. N san seng ai galaw shapraw ai shara gaw, film blowing jak a daw ni hta awu asin byin shangun nna, jak a aten hpe kadun shangun chye ai.
2. Galoi mung gram lajang ai lam. Film blowing machine hpe ayan jasan jaseng nna gram lajang ai, manghkang ni hpe tau hkrau chye ginhka nna hparan ai gaw, shi a prat hpe galu shangun lu ai.
3. Hpaga lam a quality. Film blowing machine galaw ai shaloi hkrum katut ai manghkang ni, n kaja ai hku galaw ai, grai katsi ai, npu na n-gun grai law ai zawn re ai manghkang ni gaw, jak hpe grai hkra machyi shangun nna, shi a bungli galaw ai aten hpe kadun shangun chye ai.