• Moisture-proofing: Hka n shang ai shara (hka shin nta zawn re ai) hta hka n shang ai plywood hpe lang ai shaloi, ntsa hpe hka n shang ai nsam hte ka-up da ra ai.
• Nbung n-gun rawng ai shara: Plywood hpe nbung n-gun rawng ai, katsi ai shara hta tawn da nna, hka lim ai hte n-gun n rawng ai shara kaw tawn da ra ai.
• Madang masat da ai gawgap ai lam: San seng ai hku htu ai shaloi, hpaji rawng ai arung arai ni hpe lang na; n-gun n rawng hkra, n-gun rawng ai -glue (sh) screw ni hpe lang u.
• Grup yin hpe chyam dinglik ai: Hkrang shapraw ngut ai hpang shata 1-3 laman nbung hpe shapraw nna, nta kata na nbung hpe chyam dinglik nna, formaldehyde n-gun gaw madang hte maren rai na matu jep yu ra ai.
