Tuubbada Copper, Tuubbada Copper, Tuubbada naxaasta ee soo noqnoqda, tuubada naxaasta induction
Sharaxaada wax soo saarka
Waxaa inta badan loo isticmaalaa kuleylinta soo noqnoqda sare ee mishiinka tuubada.Iyada oo loo marayo saamaynta maqaarka, labada daraf ee birta xariifka ah ayaa dhalaalay, labada dhinac ee birta xariijinta ayaa si adag isugu xiran marka la marayo rullaluistemadka extrusion.