A-  A A+

Terafil Wter Filter:

CSIR has developed a new low-cost water filter known as 'tera fill'. It uses red clay, river sand and wood, which purifies water and makes it fit for drinking purpose.
More Info
License:[Source Vigyan Prasar ]Aug. 12, 2020, 4:51 p.m.

New comment(s) added. Please refresh to see.
Refresh ×