1. Na-ejikọ ihe eji eme ihe, ihe na-asọpụta nke ọma, enweghị ihe ọ bụla n'azụ, na ihe owuwu ahụ na-akọsa;
2. Ọrụ kwụsiri ike ma nwee ntụkwasị obi, ikike ziri ezi;
3. Ihe ndị dị mkpa na-arụ ọrụ, welded ma nwee ezigbo akara aka;
4.
5. Dị ka onye ọrụ chọrọ, enwere ike iji ya na ngwaọrụ ị ga-eme.
| Ike | TXFP-4,6,10,10,14,14,16,16 |
| Kwuo Ugbu a | 0.37 |
| Nweta ederede efu | φ219/φ273 |
| Email:
Igwe nile nke mmeputa ihe ohuru |
φ200/250/300 |
| Email:
Ikpe akụkọ |
4、6、8、10、12、14、16 |