Ukusetyenziswa kwemveliso:
ukwakhiwa kweebhoyila zesikhululo samandla soxinzelelo oluphezulu, imibhobho yomphunga eshushu kakhulu, imibhobho yamanzi abilayo kunye nemibhobho yebhoyila yomoya.
Ukuthotyelwa okusemgangathweni:
| I-ASTM A249 A688 A803 |
| I-JIS G3463 |
| DIN 17457 |
| EN 10217-7 |
| GB/T 24593 |
| QAPHELA/T 47019 |
| HG/T 20537.1 |
| GB/T 151 |
