1. Qalabyada dirpping-ka is-waafajinta ee loo adeegsaday 0.25-6.0mm 2 xargaha xargaha
2. La-qabsashada is-hagitaanka ee loo yaqaan 'is-waafajinta' Sleve-ka la doonayo (Ferrule) Cabbirka: Majiro biil casaan qalad ah oo ay sababaan isticmaalka qaladnimada
3. Ku habboon dhammaan mataanaha oo dhan ee arjiga
4. Helitaanka gadaal ee gacmaha dhamaadka (ferralos) aaladda
5. Ku soo noqnoqda, tayada sare ee mushkiladda sareeya awgeed quful muhiim ah (habka is-siidaynta)
6. Qalabkan si sax ah ayaa loo dhigay (qalimsan) warshadda
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8. Hawlgal sare ayaa ku daafacday si qarsoodi ah qaabka wax lagu dhigto iyo miisaan yar
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10. Hexagonal Springping si uu ugu habboon yahay meelaynta