| Uphawu | Uhlobo | Uhlobo | Iyasebenza |
| ISjec | Ikhonkco eli-17/ikhonkco eli-19/ikhonkco eli-24/ikhonkco eli-32 | PA6.6-30GF | Izitezi ezizihambelayo zeSjec |
Ukuze kuqinisekiswe ukusebenza okuqhelekileyo kwetyathanga elityumkileyo, kufuneka ulondolozo oluqhubekayo kunye nokugcinwa kwalo. Oku kuquka ukuthambisa ityathanga ngamaxesha afanelekileyo ukunciphisa ukungqubana kunye nokuguga. Kufuneka ujonge noxinzelelo lwetyathanga ukuqinisekisa ukuba likwinqanaba elifanelekileyo. Jonga rhoqo ityathanga ukuba aligugi kwaye ulitshintshe njengoko kufuneka.