.Isici :
Silwela ukuphelela kuyo yonke imininingwane.
Ithusi nepulasitiki yenza okokufakwa kube lula futhi kuhlangene, i-rivet nut iyaqaphela
impilo ende yesevisi.Umkhono onamasayizi ahlukahlukene okukhethwa kukho kulula kakhulu ukuxhuma
futhi unqamule.Ukusebenza kahle kokubekwa uphawu kuqinisekisa izinga eliphezulu.
Qaphela :
1. Intambo ye-NPT, PT, G iyakhethwa.
2. Umbala womkhono wepayipi ungenziwa ngokwezifiso.
3. Uhlobo olukhethekile lwama-ftttings nalo lungenziwa ngezifiso.
Imodeli | ØD | A | L | S | F | J | Ød | |
I-SPA-4 | I-SPA5/32 | 4 | 11 | 44 | 7 | 20 | 14 | 3.3 |
I-SPA-6 | I-SPA1/4 | 6 | 15 | 48 | 9.5 | 31.5 | 20 | 4 |
I-SPA-8 | I-SPA5/16 | 8 | 20 | 55 | 11.5 | 34 | 22 | 4 |
I-SPA-10 | I-SPA3/8 | 10 | 21 | 69 | 11.5 | 37.5 | 26 | 4.5 |
I-SPA-12 | I-SPA1/2 | 12 | 28 | 78 | 16 | 39.5 | 32 | 4.5 |