Ma tepi omatira ndi omangira okhala ndi zomangira zolimba monga fiberglass zomwe zimapangitsa kuti zingwe zikhale zolimba komanso zogwirira ntchito bwino. Mphamvu yolimba komanso yosinthasintha yomwe mungadalire. Ma tepi omatira a fiberglass amapangidwa kuchokera ku filimu ya polyester yolimba kwambiri ya fiberglass kuti awonjezere mphamvu ya dielectric komanso kukana kwa makina, zomwe zimapangitsa kuti akhale abwino kwambiri popereka magwiridwe antchito olimba mu zida zamagetsi. Jiuding, kampani yotsogola mu fiberglass, ndiye wopanga woyamba wa tepi ya fiberglass yolimba kwambiri ku China.
Tepi ya filament yogwira ntchito bwino kwambiri ndi yotetezeka ku nyengo, sikalamba komanso imalimbana ndi mankhwala ambiri. Matepi a filament a jiuding ndi oyenera kugwiritsidwa ntchito m'njira zosiyanasiyana kuphatikizapo:
● Kumanga zinthu zolemera pamodzi.
● Kutseka katoni kolemera.
● Kusunga zida zotayirira panthawi yopereka kapena kusungira zida zamagetsi (makina ochapira, firiji, mafiriji, makina otsukira mbale).
● Kuteteza m'mphepete.
● Kulimbitsa zinthu zapulasitiki.
● Kulongedza mabokosi olemera komanso olemera a makatoni.
● Mawaya omangirira.
● Ma bandering coils ogwiritsira ntchito transformer.
● Kukulunga mapaipi ndi chingwe.
● ndi zina zambiri.