4 sounds of a kitchen blender working.
The sounds in the preview file are:
1) Blender long slow (00:00-00:05)
2) Blender long changing speed (00:05-00:10)
3) Blender short changing speed (00:11-00:14)
4) Blender long fast (00:15-00:20)
Both wav and mp3 files are added (in different directories).