Liiley dabka lagula dagaallamayo gawaarida tuubbada birta ee birta ah ee loo yaqaan '
Qalabka tuubbada birta ah ee birta ah ayaa ah nooca ugu badan ee loo isticmaalo tuubbada tuubbada. Qalabka ugu weyn waa Gr.b.
Alaabada ugu weyn waxaa ka mid ah kaarboonka birta ceelyarta, xarkaha kaarboonka birta, xargaha kaarboonka birta, oo ah madax khafiif ah oo birta ah (iyo dhambaarboon yar), iyo dhawaanta galka ah), heerarka ugu weyn ee fulinta waxaa ka mid ah Heerarka Qaranka, Mareykanka Heerarka, heerarka Jaban, iwm, oo ay ka mid yihiin heerarka qaran ee ay sidoo kale ka mid yihiin heerarka warshadaha kiimikada, tuubooyinka tuubooyinka Sidopecee, iyo tuubada korantada Heerarka qalabka rakibaadda.
Heerka Mareykanka
Been abuur ah oo bir ah oo loo yaqaan 'birta' SP-43 been abuur ah Steel Bupe Websit Fittingsms Sp-83 Weel-godka iyo midowga goynta ee MSP-97 MSP-97 Mes SP-97 Mess SP-97 MSS SP-97 MSS Sp-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Messils SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SP-97 Mess SPIOSEss SPITS SPITS SOCKES SOCOSS SOCOSSESS.
| Wax | ASTM, A234WPB, A234WPC, A420WPL6 |
| Caadi ah | ASTM A234 WPB |
| Looxund | Rinjiga madow, saliida miridhka ka hortagga, galka kulul |
| Dhumuc darbiyada | Sch10, Sch40 |
| Nooc | Xusulka, ti, Flage, dabool, lammaane |
| Xiriir | Karid |
| Qaab | Isla eg, yareyn |
| Shahaado | Api |
| Isticmaal | Nidaamka tuubada dabka ee dabka |
| Faahfaahinta keenista | Marka loo eego tirada iyo faahfaahinta amar kasta |
| Waqtiyada dhalmada ee caadiga ah waa 30 ilaa 45 maalmood kadib markii la helo deebaajiga |
