William Wiegand discerned the influence of different fillers such as carbon black, heavy spar and chalk on the strength of rubber. Thanks to his research, tires now last five times as long as they did before.
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2019-05-15T24:00
TELUS Pitch Waterloo
An elevator booth will be set up for individuals to come and submit their 60-second pitch for the $100,000 grand prize.
Workhaus Market, 290 King Street East, Kitchener