Kaja ai tingnyang, hkrak ai curve hpe lu ai hta n-ga, ahkyak dik gaw shim lum ai hku jawn ra ai majaw, cushion a quality hpe myit maju jung ra ai. Dai majaw, integrably galaw da ai mesh hpun palawng gaw, nbung kaja ai, nbung kaja ai, asak kaba wa ai, asak kaba wa ai, wan hkru ai lam n nga ai hte n-gun n rawng ai ngu ai arawn alai ni hpe hkam la lu ai, kaja dik ai dung shara cushion langai mi rai nga ai. Dai hta n-ga, shinggyim hkum hkrang hpe madi shadaw ya lu na matu hte n-gun rawng ai hku n-gun jaw na matu, n-gun ni gaw grai ahkyak ai, raitim, hkum hkrang n-gun ni gaw n-gun yawm ai lam mung rai nga ai. Dai majaw, kaja dik ai tingnyang langai gaw, hkum hkrang hpe htuk manu ai madi shadaw lam jaw lu nna, n-gun n-gun hpe shayawm lu na re.
Seat cushion a htap htuk ai lam gaw, hkum hkrang n-gun yawm ai lam hpe hkra machyi shangun ai madung lam rai nga ai. Seat cushion gaw grai n-gun n rawng ai, density grai n law ai (sh) n bung ai, hkum hkrang hpe n mai shim lum hkra galaw ya ai, hkum hkrang gaw dung ai hkrang hpe n kaja hkra rap ra hkra galaw ya ai majaw, hkum hkrang n-gun yawm wa ai. Dai majaw, rung tingnyang ni gaw, n-gun ja ai, grai kaja ai elasticity hte cushion ni a langai sha re ai hpaji masa ni hpe grau nna hpaji masa hku nna galaw ra ai.
Dai dung shara a tsaw ai hpe grai kaja hkra gram lajang ra ai. Grai tsaw ai dung shara tsaw ai gaw lagaw ni hpe noi da nna, lahput npu kaw grai law hkra n-gun rawng wa nna, ndai daw hta sai lam ni hpe dip dat jang, sai hkawm sa lam hte dung ai shara n kaja wa na re. Table ntsa hte shingdaw yang grai tsaw ai dung shara tsaw ai gaw, lahpa hte lata ni hta machyi shangun chye ai.
Pneumatic tsaw ai hpe gram lajang ai jak gaw, htunghking hku nna jak rung tsaw ai hpe gram lajang ai jak hpe galai shai ya lu ai sha n-ga, dung shara kaw nna n pru ai sha bungli galaw lu ai. Control valve hpe asan sha galaw hpang ai hku nna, nbung n-gun lapran hta n-gun hpe htawt sit mai ai, lawan ai hku lawan ai hku galaw lu ai tingnyang a tsaw ai gaw, tingnyang a range, n-gun n-gun hte n-gun n-gun hpe grai jat ya ai. Dai lang ai wa gaw, tsaw ai, bungli galaw ai shingra tara hte grup yin zawn re ai lam ni hte maren, dung shara tsaw ai hpe aten dep hte loi ai hku gram lajang lu ai.
Kaja ai rung tingnyang gaw, n-gun ja ai ra kadawn ai lam ni hpe hkan sa lu ra ai, n-gun rawng ai shara n nga ai, n-gun rawng ai shara gaw, kaja dik ai dung shara n nga ai, dai hta n-ga, tingnyang hta galaw na bungli aten ni hta shamu shamawt ai lam law law hpe mung jat bang ra ai. Ga shadawn, file ni hpe la na matu data cabinet de htawt sit ai, computer keystroke ni hpe la nna, ga kaw na arung arai ni hpe la nna, sa du gawan ai ni hte tsun shaga ai, dai majaw kaja ai tingnyang langai gaw, lahta na dynamic ra kadawn ai lam ni hpe hkan sa lu ra ai.
