Started by Sultan Salahuddin on 14 Jul 2015 at 05:11
I understand that you should categories 44 km length in different zones based upon sub...View more
Started by Amanthi G. on 12 Feb 2015 at 03:24
can sir u till me what is criteria that we kept thickness of lining kept for rectagular as...View more
Disinfectants obviously controls biofilm growth. But increasing dosing pose health problems as well. In addition, unpleasant taste ...
Dear Muthukrishna I have no practical experience of ice...View more
Fog-water collection with Large Fog Collectors is a proven method of water harvesting system in arid and semi-arid coastal areas but is ...
Hello Mussie, Merv Byron in Alberta has developped a techno...View more