Miyala ya terracotta - izi ndizofunikira kwambiri poyang'anizana ndi uvuni, makoma a chimbudzi, malo ozimitsira moto , malo ophikira panja. Ndi chithandizo chake, zinthu zonsezi zikhoza kuikidwa kuchokera mu njerwa za khalidwe lirilonse - lokhwima, lachiwiri-dzanja, ndi zofooka zazing'ono. Mtengo wake ndi wotsika kwambiri kusiyana ndi njerwa ya nkhope. Ndipo musadandaule za maonekedwe osayang'ana - chophimbacho chidzaphimba zolakwa zonse.
Ubwino wa matabwa a terracotta a mavuni
Miyala ya terracotta imatsimikizira kuti mkulu wa nyumbayo ali ndi udindo wapatali, komanso imathandiza kwambiri kutentha kwa fumbi pamakoma. Choncho, zikopa zowonjezera zimapereka 2-3 nthawi zambiri mphamvu zowonjezera kuposa zowonongeka. Izi zimakhala chifukwa cha mpumulo waukulu wa pamwamba pa tile: kumtunda kwace kuli katatu kuposa kukula kwake.
Malayala a terracotta sali zinthu zosayaka. Kutentha kwake kumakhala 1300 ° C. Sizimatha ndipo sizimasintha mawonekedwe ake m'ng'anjo yamoto.
Kukumana ndi ng'anjo ndi malo otentha ndi matalala a terracotta zimapatsa mphamvu zowonjezera ndikutsutsana ndi kusokoneza ndi kutaya zitsulo pakati pa njerwa.
Pogwiritsa ntchito matabwa a terracotta omwe akuyang'anizana ndi uvuni, mukhoza kusintha kwambiri mapangidwe ake. Mukhoza kuzisinkhasinkha njerwa yakale ya ku Parisiya, mwala wamwala wamtchire kapena njerwa yokongoletsedwa yokhala ndi tchire, yomwe ili kunja kwachitsulo yomwe imakhala bwino ndi moto.
Miyala ya terracotta imakhala yotetezeka kwambiri kwa thanzi labwino, chifukwa panthawi yopangidwa, kuwombera dongo la kaolin dongo kumachitika. Pa opaleshoni ya uvuni, matayiwo samatulutsa fungo ndi nthunzi za zinthu zovulaza. Ndipo ngati mukukongoletsa osati chophimba, komanso pritopochnuyu woyendera nthambi, sipadzakhala kusowa kochapa, chifukwa matayiwo sakhala ooneka bwino.
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