1. Tuubooyinka laba jibbaaran ee ay soo saaraan cutubyo isku qaab ah ma gaari karaan dhumucda derbiga oo la mid ah tuubooyinka wareegsan,
2. Isla mar ahaantaana, waxay yareysaa xoqidda tuubooyinka birta ah ee warshadda rogrogmada,
3. Afarta dusha ee kale isku mar ayaa la mariyaa xoog, taasoo ka dhigaysa tuubada birta ah ee la sameeyay mid aad u qurux badan,
4. Habkani waa mid si fudud loo shaqayn karo, wuxuu yareeyaa xoogga shaqada ee shaqaalaha, wuxuuna hagaajiyaa hufnaanta shaqada,
5. Faa'iidada ugu weyn ee habkan ayaa ah inuu badbaadiyo caaryada,
6. Waxaad si xor ah u rogi kartaa booska tolmada alxanka.
| Khadka Warshadda Tuubada ERW | |||||
| Moodel | Rtuubo bir ah mm | Afar-geesood ahtuubo mm | Dhumucda mm | Xawaaraha shaqada m/daqiiqad | |
| ERW20 | Ф8-Ф20 | 6x6-15×15 | 0.3-1.5 | 120 | Akhriso wax dheeraad ah |
| ERW32 | Ф10-Ф32 | 10 × 10-25 × 25 | 0.5-2.0 | 120 | |
| ERW50 | Ф20-Ф50 | 15 × 15-40 × 40 | 0.8-3.0 | 120 | |
| ERW76 | Ф32-Ф76 | 25 × 25-60 × 60 | 1.2-4.0 | 120 | |
| ERW89 | Ф42-Ф89 | 35 × 35-70 × 70 | 1.5-4.5 | 110 | |
| ERW114 | Ф48-Ф114 | 40 × 40-90 × 90 | 1.5-4.5 | 65 | |
| ERW140 | Ф60-Ф140 | 50 × 50-110 × 110 | 2.0-5.0 | 60 | |
| ERW165 | Ф76-Ф165 | 60 × 60-130 × 130 | 2.0-6.0 | 50 | |
| ERW219 | Ф89-Ф219 | 70×70-170×170 | 2.0-8.0 | 50 | |
| ERW273 | Ф114-Ф273 | 90×90-210×210 | 3.0-10.0 | 45 | |
| ERW325 | Ф140-Ф325 | 110 × 110-250 × 250 | 4.0-12.7 | 40 | |
| ERW377 | Ф165-Ф377 | 130 × 130-280 × 280 | 4.0-14.0 | 35 | |
| ERW406 | Ф219-Ф406 | 170×170-330×330 | 6.0-16.0 | 30 | |
| ERW508 | Ф273-Ф508 | 210 × 210-400 × 400 | 6.0-18.0 | 25 | Akhriso wax dheeraad ah |
| ERW660 | Ф325-Ф660 | 250 × 250-500 × 500 | 6.0-20.0 | 20 | Akhriso wax dheeraad ah |
| ERW720 | Ф355-Ф720 | 300 × 300-600 × 600 | 6.0-22.0 | 20 | Akhriso wax dheeraad ah |
| KHADKA SOO SAARKA BUUFIYADA BIRTA AH EE AAN DAXAMIN | |||||
| Moodel | Rtuubo bir ah mm | Afar-geesood ahtuubo mm | Dhumucda mm | Xawaaraha shaqada m/daqiiqad | |
| SS25 | Ф6-Ф25 | 5 × 5-20 × 20 | 0.2-0.8 | 10 | Akhriso wax dheeraad ah |
| SS32 | Ф6-Ф32 | 5×5-25×25 | 0.2-1.0 | 10 | Akhriso wax dheeraad ah |
| SS51 | Ф9-Ф51 | 7 × 7-40 × 40 | 0.2-1.5 | 10 | Akhriso wax dheeraad ah |
| SS64 | Ф12-Ф64 | 10 × 10-50 × 50 | 0.3-2.0 | 10 | Akhriso wax dheeraad ah |
| SS76 | Ф25-Ф76 | 20 × 20-60 × 60 | 0.3-2.0 | 10 | Akhriso wax dheeraad ah |
| SS114 | Ф38-Ф114 | 30 × 30-90 × 90 | 0.4-2.5 | 10 | Akhriso wax dheeraad ah |
| SS168 | Ф76-Ф168 | 60 × 60-130 × 130 | 1.0-3.5 | 10 | Akhriso wax dheeraad ah |
| SS219 | Ф114-Ф219 | 90×90-170×170 | 1.0-4.0 | 10 | Akhriso wax dheeraad ah |
| SS325 | Ф219-Ф325 | 170×170-250×250 | 2.0-8.0 | 3 | Akhriso wax dheeraad ah |
| SS426 | Ф219-Ф426 | 170×170-330×330 | 3.0-10.0 | 3 | Akhriso wax dheeraad ah |
| SS508 | Ф273-Ф508 | 210 × 210-400 × 400 | 4.0-12.0 | 3 | Akhriso wax dheeraad ah |
| SS862 | Ф508-Ф862 | 400 × 400-600 × 600 | 6.0-16.0 | 2 | Akhriso wax dheeraad ah |