1. Nzira dzekugaya dzakasiyana. Zvinoenderana neakasiyana mamiriro ekugadzirisa, kuitira kuti uvandudze kusimba uye kugadzirwa kwechishandiso, nzira dzakasiyana dzekugaya dzinogona kusarudzwa, senge up-cut milling, down milling, symmetrical milling uye asymmetrical milling. 2....
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