
1. NPT, PT, G xov yog xaiv tau.
2. Xim ntawm lub tes tsho yeeb nkab tuaj yeem hloov kho.
3. Hom fttings tshwj xeeb kuj tuaj yeem hloov kho tau
| Nti Yeeb Nkab | Cov Yeeb Nkab Metric | ∅D | B |
| SPU5/32 | SPU-4 | 4 | 33 |
| SPU1/4 | SPU-6 | 6 | 35.5 |
| SPU5/16 | SPU-8 | 8 | 39 |
| SPU3/8 | SPU-10 | 10 | 46.5 |
| SPU1/2 | SPU-12 | 12 | 48 |
| / | SPU-14 | 14 | 48 |
| / | SPU-16 | 16 | 71 |