Toothpaste Classification

Have you ever noticed that there is a distinct color at the bottom of each toothpaste pack ?

Do you know the meaning of the colors ?...

Green : Natural.
Blue : Natural + Medicine.
Red : Natural + Chemical composition.
Black : Pure Chemical.

Pravachanam Links

pravachanam by various people links:

1. https://groups.google.com/forum/#!msg/kanini/cY8_I_ba4uE/oKtlS3FNSYUJ

2. http://archive.org/details/sivananda-lahari-mp3-nochur-venkataraman

3. http://www.mediafire.com/sankaragurukulam

4. http://www.pravachanam.com/