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Summertime and Friction Welding
By Bob M / June 20, 2014Happy Summer! The first day of summer is June 21st, 2014! Here are some fun facts about Summer – Fact #1 – The Eiffel Tower grows in summer. This historic structure is made of iron. Metal expands with heat. As a result, the Eiffel Tower can grow more than six inches in hot weather. Fact […]