Mu 1889 ku United States, pamene mankhwala ophera tizilombo asanapatsidwe opaleshoni anali ndi mercuric chloride ndi carbolic acid (phenol), namwino wina dzina lake Carolyn, anadwala matenda a khungu chifukwa chogwiritsidwa ntchito kwa nthaŵi yaitali.
Zinachitika kuti dokotala yemwe ankagwirizana naye anali kumukwatira ndipo adalamula a Goodyear Rubber kuti apange magolovesi a latex kuti ateteze manja a wokondedwa wake, ndipo magulovu a latex otayika anapangidwa, ndipo lero, zaka zoposa 100 pambuyo pake, magolovesi a latex amagwiritsidwa ntchito. ogwira ntchito zachipatala padziko lonse lapansi.Ndiyenera kunena kuti ichi ndi chopanga chachikulu kwambiri.
Kupanga magulovu a latex kumafuna kugwiritsa ntchito mitundu yambiri ya nkhungu zam'manja za ceramic, ndipo tinthu tating'onoting'ono tating'ono tating'ono tating'ono tating'onoting'ono tambiri timene timatulutsa timabowo ta magulovu ndikupanga zinthu zopanda pake, kotero kuti nkhungu ziyenera kutsukidwa bwino.Iyenera kutsukidwa ndi madzi a sopo, bleach, maburashi ndi madzi otentha ntchito yokonzekera isanathe.
1. Musinthane kudutsa mu thanki ya asidi, thanki ya alkali, ndi kuyeretsa thanki lamadzi
Kugwiritsidwa ntchito kuchotsa zotsalira za nthawi yotsiriza kupanga magolovesi a rabara, ndi kuyeretsa pamene mukutembenuka, kungawonjezere mphamvu yoyeretsa.
2. Kuyeretsa chimbale burashi ndi wodzigudubuza burashi
Ngakhale ming'oma ya chala sichingasiyidwe bwino kuyeretsa.
3. Kuyeretsa madzi otentha
Mbali yomaliza ya zotsalira anatsuka pamodzi, pambuyo kangapo kuyeretsa, zadothi dzanja nkhungu wakhala woyera kwambiri, sasiya zosafunika.
4. Dothi lopachika louma
Lolani nkhungu ya manja pang'onopang'ono iume, sitepe iyi ndi njira yowumitsa pamene mukudontha madzi.
5. Kusamba kwamadzi ndi mankhwala
Madzi a latex sangathe kulumikizidwa mwachindunji ku ceramic, kotero kuti chophimba chamankhwala chiyenera kuyikidwa pamwamba pa nkhungu ya manja poyamba.
6. Chophimba cha latex
Pamene nkhungu ya manja imalowetsedwa mumadzi otentha a latex, kupaka mankhwala ndi latex zimagwira ntchito ndikukhala ngati gel, kuphimba kwathunthu pamwamba pa nkhungu ya manja ndikupanga filimu ya latex.
7. Kuyanika latex
Ngakhale kuyanika mu uvuni, nkhungu zamanja pamzere wa msonkhano zimazungulira mosalekeza kuti zigawike latex molingana monse komanso kupewa kudzikundikira.
8. Kugudubuza m'mphepete ndi burashi
latex isanayambe kulimba, gwiritsani ntchito maburashi angapo ndi ngodya yokhotakhota kutikita magalavu a latex pang'ono pang'ono ndipo pang'onopang'ono pindani m'mphepete mwa gilovu iliyonse ya latex.
9. Kuchotsa magolovesi
Pambuyo pa sitepe ya hemming, magolovesi a latex ali okonzeka.
10. Mayeso a kutambasula ndi kukwera kwa mitengo
Awa ndiye mayeso omwe magolovesi onse a latex ayenera kuyesedwa.
11. Kuyesa ndi kudzaza mayeso
Chitsanzo cha magolovesi a latex kuchokera pagulu lopanga adzayesedwa kuti adzazidwe ndi madzi, koma ngati ena alephera, gulu lonselo likhala losavomerezeka.