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Hot water you don't have to haul from outside, heat on the fire, then haul to the bathtub.
Cushioning occupants from hitting hard objects in car crashes.
What was a serf in medieval times?
by Answerbag Staff on April 13th, 2010
| 1 person likes this
If it was REPUBLICAN John Corzine instead of democrat John Corzine stealing $1 BILLION , would it be buried in the lame stream media?
by Swami_Rick on November 30th, 2011
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Vlad The Impaler fought for Romania? Against whom?
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by einsteinwasright0116 on October 24th, 2011
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Is it true that Obama traveled back in time to singlehandedly win WW2?
by Have A Nice Day on December 1st, 2011
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When was the Yorkboat invented? 1800s, 1900s?
by O.G. Rodger on November 15th, 2011
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You're reading What practical problems have been solved between the late 18th century and late 20th century?
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