Farin tawada a cikin tsari na bugawa, akwai maki uku, ɗaya shine don inganta tasirin tsarin, yi Ana iya samun ceto na dogon lokaci; Na biyun shine ƙara yawan hankali da kuma layering, HARKO UNTION, Zai iya jin fargaba; na uku shine inganta tasirin bugaawa, cikin duhu mai duhu ko kayan tallafi, sanya shi mai haske.}
Hanyar gwaji 1:
Gwajin Ingilishi na farin tawada .} Ainihi gama gari ne don sanya kayan da ke bugawa da farin tawada (kamar gilashi, fale-kwales, da sauransu. a cikin ruwan don soaking, 2 sa'o'i gaba, dauki kayan waje tare da yatsunsu don scraping, idan zaka iya a hankali sannu da hankali, da m da ruwa da fararen tawada, bukatar maye gurbin sabon farin tawa .}
Hanyar gwaji 2:
Karancin gwaji. Zaɓi Zaɓi na gilashin gilashin da aka saba amfani da shi, a goge farin tawada, sannan kuma buga fari tawada; ko an rufe shi da varnish a cikin fararen farin ciki don lura da cewa ya zama kumfa, narkar da a farfajiya na tsarin {{1} Idan haka ne, karfinsu farin tawada matalauta, bukatar maye gurbin sabon farin tawada {{0 tox}
Hanyar gwaji 3:
Tsohon gwaji {{0 {0} Idan fararen tawul na farko {{1} Idan fararen tawada {{1} Idan fararen tawada {{1} Idan fararen tawul na ciki a cikin amfani da shi daga baya, bayan dogon lokaci. Zai haifar da cloging scring . Hanyar gwaji shine sanya tace a ƙofar, idan akwai ƙarin laka, yana tabbatar da cewa tsarkakakku, yana tabbatar da cewa tsarkakakken kwalba, yana tabbatar da cewa tsarkakakken kwalban ba shi da kyau {{1}
