Usha waxaa lagu xiri karaa qalabka u dhigma oo ay ku jiraan madaxa laydhka, madaxa caajiska ah, madaxa duubista, iyo sidoo kale qalabka isku dhafan.Usha waxay leedahay cabbirro kala duwan si ay ugu habboonaato mashiinnada u dhigma iyo qaybta keliya waxay leedahay dherer kala duwan oo ay ku jiraan 0.5 m, 1.2 m, 1.5 m, 1.7 m iyo 2.0 m, iwm.
Qodista usha qodista | 16 | 17.5 | 20 | 23 | 24 | 25 | 26 | 27 | 28 | 30 | 33 | ||||||||
35 | 36 | 39 | 40 | 43 | 48 | 52 | 56 | 61 | 65 | 70 | |||||||||
Qodista usha qodista | 56 | 65 | 70 | 80 | 100 | 130 | 160 | 220 | 350 |