1012-21
Overview of using the all or only selection quick mask, select all, select only, define selections, define criteria, points, lines, arcs, splines, drafting, wireframe, surfaces, solids, mesh, result, group, color, advanced, clear selection, level manager, change levels, window selection, visible level, deselect, delete entities, individual solids, vise part, transform, translate, wireframe chain, join, purple geometry, red geometry, selection group, result group, F5.