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Galasi losunga zipolopolo
Galasi yotsimikizira zipolopolo imatanthawuza mtundu uliwonse wa galasi lomwe limamangidwa kuti liyime motsutsana ndi kulowetsedwa ndi zipolopolo zambiri. M'makampani omwewo, galasi ili limatchedwa galasi losagwira zipolopolo, chifukwa palibe njira yotheka yopangira galasi lapamwamba la ogula lomwe lingakhale umboni wotsutsa zipolopolo. Pali mitundu iwiri ikuluikulu yamagalasi otsimikizira zipolopolo: yomwe imagwiritsa ntchito galasi lopangidwa ndi laminated pamwamba pake, ndi yomwe imagwiritsa ntchito polycarbonate thermoplastic.
