Kala soocidda iyo isticmaalka tubooyinka alxanka ah ee tuubooyinka birta alxankaya, oo loo soo gaabiyo sida tuubooyinka birta welded, waxay asal ahaan ka samaysan yihiin saxan bir ah ama walxo la giringiriyey oo loo sameeyay tuubooyinka birta alxanka leh.Habka wax soo saarka ee tuubooyinka birta welded waa dareen leh, oo leh waxtarka wax soo saarka sare, faa'iidooyin badan ...
Akhri wax dheeraad ah