Mochini oa ho etsa liporo ke mochini o sebelisoang ho etsa liporo.E sebelisa mokhoa o bitsoang roll forming ho bopa sekotoana sa tšepe ho profaele e lakatsehang ea pina.Ho etsa moqolo ho kenyelletsa ho fetisa lesela le sa khaotseng la tšepe ka letoto la li-rollers, tseo e 'ngoe le e' ngoe e kobehang tšepe butle-butle ho fihlela sebopeho se lakatsehang se finyelloa.Joale liporo tse hlahisoang li ka khaoloa ka bolelele 'me tsa phethoa kamoo ho hlokahalang.Mechini e etsang merolo ea terene e bohlokoa bakeng sa ho hlahisa likarolo tsa terene tsa boleng bo holimo, tse tloaelehileng tse ka mamellang meroalo e boima le likhatello tsa ts'ebeliso ea seporo.
Nolofatsa tlhahiso ea karolo ea hau ea pina ka mochini oa rona oa morao-rao oa ho etsa lipina.Re fana ka mefuta e mengata ea litharollo tseo u ka li khethang tse u nolofalletsang ho theha likarolo tse lumellanang, tsa boleng bo holimo le ho fihlela litlhoko tsa hau tse ikhethileng.Re tšepe hore re tla u thusa ho aha sistimi ea terene e sireletsehileng haholoanyane, e tšepahalang haholoanyane.