Mfundo zazikuluzikulu zatepi yagalasi yokhala ndi mbali ziwiri:
1,tepi yamitundu iwiri ya fiber glass filamentali ndi mphamvu yolumikizana kwambiri ndi zinthu zosiyanasiyana zomata
2,tepi yamitundu iwiri ya fiber glass filamentali ndi mphamvu zolimba kwambiri, osati zosavuta kusweka
3,tepi yamitundu iwiri ya fiber glass filamentili ndi ma CD abwino kwambiri komanso osavuta kumasula
4,tepi yamitundu iwiri ya fiber glass filamentali ndi mlingo wapamwamba wa kukana kuvala ndi kukana chinyezi
5,tepi yamitundu iwiri ya fiber glass filamentali ndi mawonekedwe azosatsalira, wchinyezi chosamva makutu