$$A\,\,2{1 \over 2}\,\,$$ control in a typical $$CNC$$ machine provides

The most common interpolation methods in continuous path $$NC$$ machining are

Use of a robot for spray painting is primarily justified for improved.... ....... .... A ...... and reduced......... B....................

A. productivity / consistency
B. cost / hazard

The base of a brass bracket has to be rough ground to remove the unevenness. The $$4$$ wheels available in the store. The appropriate wheel is