Bangon labule mai firam ɗin ƙarfe a kewaye da allon gilashin ana kiransa bangon labule mai firam. An raba shi zuwa: bangon labule mai firam ɗin da aka fallasa, bangon labule mai ɓoye, da bangon labule mai ɓoye rabin-ɓoye bisa ga siffar bangon labule.
Bangon labulen gilashi mai firam yana da sassauƙa, mai dacewa, mai sauƙin shigarwa, mai sauƙin daidaitawa da wargazawa, kuma mai sauƙin maye gurbinsa da kulawa.
Ana fara sanya firam ɗin tsaye (ko katakon kwance) na bangon labulen firam ɗin a kan babban tsarin, sannan a sanya firam ɗin kwance (ko firam ɗin tsaye). Firam ɗin tsaye da kuma firam ɗin kwance suna samar da firam. Ana sarrafa kayan faifan zuwa sassan naúrar a masana'anta sannan a sanya su a kan firam ɗin da aka haɗa da firam ɗin tsaye da katakon kwance. Dole ne a canja nauyin da ɓangaren kayan faifan ke ɗauke da shi zuwa babban tsarin ta hanyar firam ɗin tsaye (ko katakon kwance). Mafi yawan nau'in wannan tsari shine: bayan an sanya firam ɗin tsaye da katakon kwance a wurin don samar da firam, ana sanya ɓangaren kayan faifan a kan firam ɗin. An haɗa ɓangaren kayan faifan a tsaye zuwa ginshiƙin kuma an haɗa shi a kwance zuwa firam ɗin kwance, kuma ana yi wa haɗin gwiwa da manne don hana shigar ruwan sama da iska.
1. Tsarin da aka fallasa: nau'in ramin inlay mai haɗaka, nau'in ramin inlay mai haɗaka, nau'in inlay mai gauraya;
2. Firam ɗin da aka ɓoye: nau'in toshe, cikakken nau'in rataye, nau'in rataye mai rabin rataye;
3. Tsarin da aka ɓoye rabin-ɓoye: a tsaye aka fallasa kuma a kwance aka ɓoye, a tsaye aka ɓoye kuma a kwance aka fallasa.
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