● Kolo ya chubu iliyonse imakhala yotalika mosalekeza popanda ma welds ozungulira.
● Koyilo ya chubu iliyonse imayesedwa ndi mphamvu ya hydrostatic.
● Mayesowa atha kuchitiridwa umboni pamalowa ndi oyang'anira gulu lachitatu (SGS, BV, DNV).
● Mayeso ena ndi kuyesa kwa eddy, mankhwala, flattening, flaring, tensile, zokolola, elongation, kuuma kwa zinthu zakuthupi.