1)the flushing toilet! id hate to live in a world without one...
2)the wheel. this was purely a sympathy vote, seeing as how deodorant should be high on my list...
3)FIRE! FIRE FIRE FIRE!!! mwahaha, and learning what burns... where would be be without it?
4)computers. even tho i spend half my day trying to convince mine to print, i still love em

5)diesel engines. one of the first fuel-efficient engines
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With each kill, I grow wiser, and with added wisdom, I grow stronger. Does anybody have any idea what this means?