2 ms·
My guess is things like this: https://www.thebetterindia.com/61757/traditional-water-conservation-systems-india/ https://www.thebetterindia.com/61757/traditiona
by gbuk2013 7y ago
My guess is things like this: https://www.thebetterindia.com/61757/traditional-water-conservation-systems-india/ https://www.thebetterindia.com/61757/traditional-water-conse...
- newsumworld 7y agoSee also this article: https://newsum.in/news/swimmers-can-track-sweat-through-an-underwater-skin-sensor-now/ https://newsum.in/news/swimmers-can-track-sweat-through-an-u...