T fin tube yog ib hom kev siv hluav taws xob sib pauv tau zoo uas yog tsim los ntawm kev dov thiab molding ntawm lub teeb yeeb nkab.Nws cov yam ntxwv tus yam ntxwv yog tsim ib tug series ntawm kauv nplhaib T qhov nyob rau sab nraum cov yeeb nkab nto.