Mashiinkayaga jarista laysarka tuubada waxaa loogu talagalay inuu jaro tuubooyinka birta ah oo leh qaabab kala duwan, oo ay ku jiraan wareegsan, laba jibbaaran, leydi, oval, iyo sidoo kale astaamo leh qaybo kala duwan oo furan (Tusaale ahaan I-beam, H, L, T, iyo U cross-sections). Xalalka laysarka tuubada waxay higsanayaan inay kordhiyaan wax soo saarka, dabacsanaanta iyo tayada jarista tuubooyinka iyo profiles-ka oo dhammaystiran iyadoo la adeegsanayo jarista laysarka fiber-ka oo sax ah.
Adeegsiga tuubooyinka iyo astaamaha laysarka lagu farsameeyo way kala duwan yihiin, laga bilaabo warshadaha baabuurta, injineernimada farsamada, dhismaha dhismaha, naqshadeynta alaabta guriga ilaa warshadaha batroolka, iwm. Jarista laysarka ee tuubooyinka iyo astaamaha waxay bixisaa noocyo badan oo wax soo saar ah oo loogu talagalay qaybaha birta waxayna bixisaa fursado naqshadeed oo dabacsan oo gaar ah.
Lambarka Moodeelka: P120
Lambarka Moodeelka: P2060A / P3080A