Barkad dabaasha oo cusub ama dib u habeyn lagu sameeyo.
• Lagu hagaajiyay laga soo bilaabo xaashi biyo ah oo cad oo nabad ah oo si cad u dhacaysa si geesinimo leh, muuqaal biyo onkod ah oo ku kordhinaya farxad iyo qaab mashruucaaga.
•Digniin: Biyo-dhacyada barkadaha dabiiciga ah waa in lagu isticmalo biyo sifaysan oo keliya.
Dhammaan biyo-dhacyada, Dhererka la heli karo laga bilaabo 12" ilaa 96" Dhabarka ama Bottom Port Inlet
| Qaabka No. | Sharaxaada | Ballac (W) | Dhererka(L) |
| PW-11 | 12" leh 1" dibnaha | 3.15" | 12.36" |
| PW-12 | 12" leh 6" dibnaha | 8.07" | 12.36" |
| PW-21 | 18" leh 1" dibnaha | 3.15" | 18.23" |
| PW-31 | 24" leh 1" dibnaha | 3.15" | 24.13" |