* Using a straight edge to create a clean, straight edge.
* Using a broom or brush to remove any excess asphalt from the adjacent surfaces.
* Applying a release agent to the adjacent surfaces before applying the asphalt.
* Using a heated tool to soften the asphalt and make it easier to remove.
By following these techniques, the contractor can ensure that the repair is finished smoothly and without leaving any excess asphalt on the adjacent surfaces.