Ibisobanuro ku bicuruzwa:
Moteri nyamukuru ifite uburebure bubiri, imigozi ibiri yo kuyobora, hamwe na silinderi yo hepfo. Umwanya wa tensile uherereye hejuru ya moteri nkuru, naho guhunika no kugorora umwanya wikizamini giherereye hagati yumurongo wo hasi wa moteri nkuru hamwe nakazi. Imbaraga zipima ibikoresho zifata ibisobanuro bihanitse byamazi ya kirisiti yerekana, kandi amakuru yubushakashatsi aroroshye kandi yihuse.