A crash course in changing the world.
i think you should tackle the problem of what we should do to be set when we run out of oil. i think we should do this because we all know irs going to happen sooner or later.
Posted on December 14, 2012 at 12:33am
i think that how people react in a pandemic is most important because if we learn how people react in a situation like this we can solve that, we can control the crowds when a pandemic happens. we can set up drills and prepare people but not before we test them to see how they react.
Posted on December 7, 2012 at 3:03am
Rope Pump—Developed first in Nicaragua and widespread there. Spread slowly to other countries thanks to much innovation. The principles of the Rope Pump are simple, a rope with pistons one meter apart that goes down the well/boreh***, and finds what is sometimes called a transformer box at the bottom, which is basically a block of concrete with something simple (like a beer bottle—Zambezi the best transitioner for rope pumps in Mozambique) that the rope goes around and into a series of PVC…
ContinuePosted on November 1, 2012 at 10:27pm
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