Grommets, matut mahkai ai hte gram lajang ai arung arai ni hku nna, hpaga lam, nta gap ai lam, shani shagu lang ai arung arai ni hta grai lang ma ai. Shanhte a bungli galaw ai lam gaw, npawt nhpang ting a shimlum lam hte magam bungli prat hpe hkrak hkra machyi shangun ai majaw, shani shagu hkrak hkra yu lajang na matu ahkyak nga ai.
Langai, grommet hpe gram lajang na matu, ayan jasan jaseng ai lam gaw ahkyak dik htum re. Ntsa na nhprang wan, sau, tsi mawan ni hpe yeng seng kau na matu, n-gun n rawng ai hpun nba (sh) neutral detergent hpe lang nna, n-gun n rawng ai arung arai ni hte aten galu hkra n mai byin ai. Metal grommets ni hpe laksan hku nna n-gun n rawng hkra makawp maga ra ai. Laksan anti-rust sau hpe bang u (sh) oxidation byin ai hpe ayan jep yu u.
Lahkawng, grommets ni hpe n-gun n rawng ai hte n-gun n rawng ai hpe jep yu na matu ahkyak ai. Shani shagu lang ai shaloi, grommets ni gaw, chyahkring hkring myit ru myit tsang ai lam (sh) grup yin a majaw, n-gun yawm mat ai, n-gun yawm mat ai, shing nrai, diameter galai shai mat chye ai. Shata shagu myi man hte jep yu na matu hpaji jaw da ai, matut mahkai lam ngang kang ai hte n kaja ai hku n-gun n rawng ai kumla ni nga ai hpe madung tawn nna. Hkamja lam hte seng ai madang hta jan nna, n-gun yawm mat yang, shim lum hkra alawan galai ra ai.
Tengman ai hku tawn da ai gaw, grommets ni a asak hpe mung galu shangun lu ai. N lang ai shaloi, katsi ai, nbung kaja-law ai shara hta, n-gun ja ai arung arai ni hte tsan ai shara hta tawn da nna, n-gun n rawng ai (sh) n-gun n rawng ai hpe koi gam ra ai. Aten galu n lang ai grommets ni a matu, n-gun n rawng ai tsi hpe bang nna, pat da ai hku tawn da na matu hpaji jaw da ai.
Hpang jahtum, bungli galaw ai shara hpe madung tawn nna, gram lajang ai aten hpe galai shai u. Grommets ni gaw nbung katsi ai, nbung katsi ai, shing nrai, n-gun ja ai acid hte alkali ni nga ai shara ni hta grau lawan ai hku asak kaba wa ai majaw, grau nna chyahkring hkring jasan jaseng nna jep joi ra ai. Corrosion-hkap la lu ai arung arai ni hpe lata la u.
Shani shagu atsawm sha yu lajang ai gaw, grommets ni a bungli galaw ai lam hte ngang grin ai lam hpe grau kaja hkra galaw ya ai sha n-ga, hkala nba byin wa na masa hpe mung shayawm ya lu ai. Standardized san seng ai lam, jep joi ai lam, shingbyi shara ni hpe hkan sa ai hku nna, lang ai ni gaw grommets ni a asak hpe kaja wa jat ya lu nna, jak rung bungli galaw ai lam hta shim lum ai hte kam hpa mai ai lam hpe hkam la lu na re.
