makulidwe a wallboard ndi 50mm, ndi kupsyinjika kwamkati kwa sing'anga pafupipafupi quenching ndi kutentha kumawonjezera kachulukidwe, kuuma, mphamvu, kulimba, ndi conduction ntchito ya wallboard, yokumba kukalamba mankhwala, lalikulu Machining pakati processing awiriawiri, mkulu mphamvu. ndi kulondola kwambiri.