THE LAST WEEK WE MET SOME GUYS OF THE WATERING SERVICE THAT EXPLAINED US SOME THINGS ABOUT WATERING HISTORY, WATER PURIFYING AND TRANSPORTING
THEY TOOK THE WATER FROM SMALL STREAMS TO BIG RIVERS AND LAKES AND PASS IT ACROSS SOME PROCESS OF CHEMICALS, SAND, AND STONES.
BEFORE, THIS PURIFYING PROCESS DIDN'T EXIST. FIRST PEOPLE WENT TO THE RIVER TO WASH THEIR CLOTHES, DRINK, ETC. THEN THEY USED PITCHERS AND HAD DONKEYS THAT CARRIED THOSE PITCHERS BECAUSE THEY WERE TOO HEAVY. THEN THE IRRIGATION PROCESS WAS INVENTED FOR TAKING THE WATER BUT IT WAS UNCLEANEDSO PEOPLE HAD A SICKNESS CALLED TIFODEA.
THEN THE ACUEDUCTO INVENTED THE PROCESS OF PURIFYING THE WATER
TADA
lunes, 26 de abril de 2010
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