Physics · Engineering Drawing Symbols
In engineering drawings, what is represented by a closed circle added to the vertex of the basic surface texture/finish symbol?
- 1Material removal is prohibited on this surface.✓
- 2Machining must be performed to remove a minimum layer of material.
- 3Special machining characteristics must be strictly specified.
- 4The surface must be finished using abrasive machining only.
Correct answer
Material removal is prohibited on this surface.
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