1.   Flats are suitable for larger strokes, holding a good charge of pigment and are good for hard edges.

2.   He had a hard edge to his voice.

3.   Her smile broadened, lost its hard edge.

4.   The leading set can be rounded into a near cylindrical section while the rear set retains hard edges.

5.   These can be made tighter by running the material over a hard edge to squeeze the coils.

6.   These principles can be applied to energise and bring to life the hard edges of Euclidean geometry and of the drawing board.

7.   Touched the hard edge of diamonds.

8.   Use a cotton bud to carefully blend away edges into foundation so there is no hard edge.

9.   And anyhow, Cara would probably not have lasted more than two minutes in her job in the journalistic field had she not grown a few hard edges.