Track spikes Emil Zatopek, a distance runner from Czech Republic, wore them during the 1952 Olympics in Helesinki. The front of the sole features a rigid or semi-rigid spike plate containing between 3 and 9 threaded holes called spike wells. Spikes can be screwed into each well using a spike wrench. Recently, some individuals have attempted to add a "through hole" at the bottom of the spike to make them easier to tighten, remove, and install. Some shoes have permanent or "fixed" spikes which are not meant to be removed. Spikes may break during competition. Track shoes are exceptionally light, some shoes
Emil Škoda facility in 1886 and adding an arms factory in 1890 to produce machine guns for the Austro-Hungarian Army. His facilities continued to expand over the next decade, and he incorporated his holdings in 1899 as the Škoda Works, which would become famous for its arms production in both World War I and World War II and for a wide range of other industrial and transportation products. Emil Škoda Emil Ritter von Škoda (18 November 1839 – 8 August 1900) was a Czech engineer and industrialist, founder of Škoda Works, the predecessor of today's Škoda Auto and Škoda Transportation. Emil Škoda