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Hold on to the top shoulder straps or the D-ring on the back and check to ensure that no section of the harness is twisted or tangled.
The first game system that was made was called the Magnavox Odssey.
The first mechanical cooling system was invented by Dr. John Gorrie. -Qwasas
Joseph Bazelgette designed and built the first sewage system for London
Inventors first began experimenting with automatic sprinklers around 1860. The first automatic sprinkler system was patented by Philip W. Pratt of Abington, MA, in 1872.