Nta langai a hka n shang hkra galaw ai hte makawp maga ai ladat a madung daw langai hku nna, hka n shang hkra galaw ai backing panel hpe gram lajang ai atsam gaw, shi a magam bungli prat hte makawp maga ai atsam hpe hkrak dawdan ya ai. Hpaji masa hte hkam la mai ai shani shagu gram lajang ai lam gaw, panel a asak kaba wa ai hte hkra machyi ai lam hpe atsawm sha makawp maga ya lu ai, hka n htum ai hte n-gun n rawng ai zawn re ai shi a madung atsam ni hpe ngang grin ai hku galaw lu ai, n kaja ai hku gram lajang ai majaw hka n shang ai zawn re ai manghkang ni hpe koi lu ai.
Shani shagu gram lajang ai lam a madung gaw, hka n shang hkra galaw ai hpang na panel a asak hpe galu kaba hkra galaw na matu madung rai nga ai, atsawm sha san seng ai lam hte hka hpe hkang ai lam hta rai nga ai. Laksan lang ai shaloi, hpang panel a ntsa hpe katsi ai, n-gun n rawng ai nba hte ayan kashin kau ra ai, nhprang wan, n-gun n rawng ai nhprang arai ni hpe yeng seng kau na matu, nhprang arai ni hpawng chyawm ai majaw ntsa maga na shingnip hte hka n shang hkra galaw lu ai atsam hpe n hkra hkra makawp maga ra ai. Hpang panel ntsa kaw sau (sh) hka hte nsam rawng ai rai yang, neutral detergent hte katsi katsang rai nna, san seng ai hka hte atsawm sha kashin kau nhtawm, hpang jahtum e, hka lim ai majaw panel hpe n-gun n rawng hkra, asak kaba mat hkra, hka lim ai nba hte katsi kau ra ai. Hpang panel ntsa hpe n-gun ja ai arung arai ni hpe galoi mung hkum htu, shingnip hpe hkra machyi hkra galaw nna, hka n shang ai hte n-gun n rawng ai -hkap la lu ai atsam ni hpe n sum mat hkra.
Moisture-proof hte corrosion-proof hpe atsawm sha gram lajang ai lam gaw, n bung ai lang ai makau grup yin ni hpe hkan sa lu na matu ahkyak nga ai. Hka n shang ai hpang panel hpe hka lim ai (sh) hka lim ai-law ai shara ni hta lang ai rai yang, jep joi ai lam hpe kadun hkra galaw ra ai, hka lim ai aten galu ai majaw panel n-gun n rawng ai (sh) n-gun n rawng ai hku n byin hkra, ntsa na hka lim ai hpe alawan jasan jaseng ra ai. Shinggan de (sh) n-gun n rawng ai shara ni hta lang ai rai yang, hpang panel ntsa na coating hpe ayan jep yu ra ai. Peeling (sh) flaking hpe mu yang, laksan makawp maga ai coating hpe alawan bang nna, corrosive media hpe garan ginhka nna, hpang panel hpe n-gun n rawng hkra, n-gun n rawng hkra makawp maga ra ai.
Hkamja lam hpe ayan jep joi ai lam gaw ahkyak ai; hka n shang hkra galaw ai backsheet hpe shata shagu tsep kawp jep yu na matu hpaji jaw da ai. Hten za ai lam (sh) n-gun n rawng ai lam ni hpe grau nna sadi maja u, n-gun rawng ai shara ni hpe ngang ngang jum da nna, n-gun rawng ai n-gun rawng ai shara ni hpe jep yu u. Kaji kajaw hkra machyi ai hpe mu yang, grau nna hkra machyi ai lam n byin hkra, laksan gram lajang ai arung arai ni hte alawan gram lajang u. Fasteners ni n-gun n rawng yang, backsheet hpe n-gun n rawng hkra (sh) hkrat mat hkra kalang ta ngang ngang jum da u, dai gaw shi a makawp maga ai lam hpe hkra machyi shangun chye ai.
N kaja ai hku lang yang, hka n shang ai backing panel hpe mung hkra machyi shangun chye ai. Hka n shang ai backing panel hta hka htung ni hpe htu ai (sh) htu ai hpe tsep kawp pat hkum da ai, n-gun ja ai arung arai ni hpe hkra ai (sh) shinggrup ai hpe koi ra ai. Backing panel hpe galai shai ai lam (sh) gram lajang ai lam ni hpe kungkyang ai hpaji ninghkring ni galaw ra ai, dai hku nna shi a hka n htum ai hkrang hte dinghpring ai lam hpe n hkra hkra galaw ra ai. Dai hta n-ga, backing panel hpe aten galu n-gun ja ai hte jan a nhtoi hta n-gun n rawng hkra galaw na matu koi nga u, dai hku galaw yang, dai arai gaw n-gun n rawng mat nna, coating hpe n-gun n rawng mat hkra galaw ra ai.
