Engine: Refrigeration AC

1. A Swaging tools can be used to expand an end of one tube to fit onto a tube of the same original outside diameter.
2. B Swaging tools are used to remove any sweated edges formed on the tubing while soldering.
3. C Swaging tools are used during the breaking-in of refrigeration compressors and drive motors.
4. D Swaging tools are no longer used with repairing refrigeration systems due to progressive changes in the tool industry.

Tip: press A-D to answer