1.铣床上制作球体1(Making sphere on a milling machine 1)2.铣床上制作球体2(Making sphere on a milling machine 2)3.铣床上制作球体(Making sphere on a milling machine 3)4.鲁洛多边形铣削方形(Milling square with Reuleaux polygon)5.鲁洛多边形铣削三角形(Milling triangle with Reuleaux polygon)6.便携式镗床1(Portable boring machine 1)7.砂轮平衡2(Grinding wheel equilibration 2)