Iimpawu eziphambili zeItape yefiber yeglasi enamacala amabini:
1,itheyiphu yefilament yeglasi emacala amabiniinamandla okudibanisa izinto ezahlukeneyo
2,itheyiphu yefilament yeglasi emacala amabiniunamandla aphezulu okuqina, akukho lula ukuqhawuka
3,itheyiphu yefilament yeglasi emacala amabiniinesiphumo sokupakisha esigqibeleleyo kwaye akukho lula ukuyikhulula
4,itheyiphu yefilament yeglasi emacala amabiniunomgangatho ophezulu wokumelana nokunxiba kunye nokumelana nokufuma
5,itheyiphu yefilament yeglasi emacala amabiniinophawu lweengeyiyo intsalela, wukufuma okuxhathisa indlebe