Ikoreshwa mugupima, gusuzuma no gutondekanya imikorere yimikorere yimyenda mumazi meza. Ishingiye ku kumenya guhangana n’amazi, kurwanya amazi no kwinjiza amazi biranga imiterere yimyenda, harimo geometrie nuburyo bwimbere bwimyenda hamwe nibintu nyamukuru bikurura ibiranga fibre hamwe nudodo.
