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Due to the increasing cost of electricity bills, I have finally decided to switch to solar energy. Aside from being free, it also helps save mother earth. I must admit that at first I was confused ...

started by Philip Solars on 28 Sep 12 no follow-up yet

polymer chemistry x-ray physics nanotechnology

started by tahseen kamal on 27 Aug 11 no follow-up yet

In the previous months, I was looking for quality water pumps for my house that will ensure safe drinking water for my family. I have asked several friends where I could possibly look for the best ...

water pumps

started by Pump Wat on 15 Sep 11 no follow-up yet