1. Repairing shortage of materials at threadbare, broken moulds, injection moulds (mainly edges); exactly, what is more in micron size 2. Laserwelding makes moulds, components, prototypes perfect and their lifetime longer. 3. It is perfectly suitable for cover of engraved surfaces (e.g. typenumber, changed dates) and these parts can be used after rework. 4. Correcting of polished surfaces. 5. Laserwelding gets an important role in the area of surgical instruments and the technically plastic industry. 6. Laserwelding is possible at the places, which are difficult to reach and the work is very precise.