1. Isiphelo esinemisonto
2. Grooved End
3. Ukuphela kweTapered
4. Spot Holing Machining
5. Beveled End
6. IiFlanges Welding
7. Cross Bar Welding
Ukwenziwa Kweziko
Khetha iQela leNsimbi le-Womic?
Nceda ushiye i-imeyile yakho kuthi kwaye siya kuqhagamshelana phakathi kweeyure ezingama-24.