Marform is

• A. Is a foming process on lathe in which movement of tool is neither governed by cross slide nor by compound slide
• B. A work holding device in which plane of rotation can be changed while working
• C. A darwing process that forms metal sheet by using a movable steel punch and a rubber headed ram
• D. Is a forming tool and on lathe machine to generate spherical surfaces
• E. Is a gauge used to check regular surfaces