Dhuumaha Bir afargeeska ah

Macnaha gaarka ah ee tuubada birta leydi ah:
Dhuumaha birta leydigu waa nooc ka mid ah tuubooyinka qaabka gaarka ah, sidaas darteed tuubada birta ah ee qaabaysan ee gaarka ah ayaa si weyn loogu isticmaalaa qaybo kala duwan oo qaab dhismeedka, qalabka iyo qaybaha farsamada.Marka la barbar dhigo tuubooyinka wareegsan, tuubooyinka qaabka gaarka ah guud ahaan waxay leeyihiin waqtiyo waaweyn oo qallafsanaan iyo modules qaybta, waxayna leeyihiin foorarsi weyn iyo iska caabin adag, taas oo si weyn u dhimi karta miisaanka qaabdhismeedka waxayna badbaadin kartaa birta.

Tuubooyinka qaabka gaarka ah ayaa guud ahaan lagu kala soocaa iyadoo loo eegayo qaybta jaban, waxaana loo qaybin karaa tuubo bir ah oo aan lahayn tuubo qaabaysan, tuubooyinka aluminiumka ah ee qaabka gaarka ah, iyo tuubooyinka caagga ah ee qaabka gaarka ah sida waafaqsan alaabta.Kuwa soo socda ayaa inta badan soo bandhigaya tuubada birta qaabaysan ee gaarka ah.

Tuubooyinka birta qaabaysan ee gaarka ah waxa loo qaybin karaa tuubooyinka birta ee qaabaysan oval, tuubooyinka birta saddex geesoodka ah, tuubooyinka birta qaabaysan laba geesoodka ah, tuubooyinka birta qaabaysan dheeman, tuubooyinka birta qaabaysan saddex geesoodka, wareegyada birta semi-wareegga ah, tuubooyinka birta ee saddex geesoodka ah oo aan sinnayn, shan Tubooyinka birta qaabaysan qaabaysan, tuubo bir ah oo labajibbaaran, tuubo bir ah oo labajibbaaran, abuur xabxab ah, tuubo bir qaabaysan, tuubo bir ah oo jiingado leh.