I roughen the surface.

Arabic: الترقيع
أُخشّن المنطقة.

English: I abrade the surface.

The area around the hole is roughened.
At least the size of the patch should be roughened.

Arabic: الترقيع
تُخشَن المنطقة حول مكان الثقب.
يجب ان يتم تخشين مساحة على الأقل مساوية للرقعة.

English: The surface around the hole is lightly abraded.
The abraded surface should be at least the same size as the patch.