Giao tuyến mặt phẳng nghiêng được vạch dấu. Gá phôi lên êtô. Dùng mũi vạch để rà cho vạch dấu song song. Phay như phay mặt phẳng song song bằng dao trụ hay dao mặt đầu.
Online delivery ramp is marker. Brackets casts up precision maker vise. Using Scriber to give parallel marker. Milling milling parallel plane as with a knife blade or cylindrical surface of the head.
Inclined plane intersection is scribing. The jig embryos to vice. Using tip marker pointed to the parallel review. Milling as milling parallel planes with knives or knife cylinder head surface.