● Khoeli e 'ngoe le e 'ngoe ea li-tubing e bolelele bo sa khaotseng ka ho feletseng ntle le litšepe tsa orbital.
● Khoele e 'ngoe le e 'ngoe ea tubing e lekoa ka hydrostatic ka khatello e lebisitsoeng.
● Teko e ka pakoa setšeng ke bahlahlobi ba motho oa boraro (SGS, BV, DNV).
● Liteko tse ling ke tlhahlobo ea eddy current, lik'hemik'hale, flattening, flaring, tensile, chai, elongation, hardness bakeng sa boleng ba thepa.