Flat glass tempering furnace inoshandiswa kuita flat tempering yegirazi.Mushure mekunge girazi rinoyangarara racheneswa mushure mekucheka uye kuchinjika, rinoiswa patafura yekurodha yevira nemanyorero kana robhoti, uye inopinda muchoto chekudziya zvinoenderana nemirairo yekombuta.Inodziirwa kusvika painopfava padyo, yobva yatonhodzwa nekukasira uye zvakaenzana.Zvadaro girazi rinopisa rinopera.