THE ROOT CANAL PROCEDURE, STEP BY STEP. 1  An opening is drilled through the biting surface to allow access to the tooth pulp. 2  Tooth roots are cleaned and disinfected using special needles and rinsing substances (e.g., sodium hypochlorite, EDTA, and chlorhexidine).
In 1973 the Widowmaker 7 was confirmed as the fastest motorcycle on Earth by Guinness Book of World Records, recording an 8.68-second 1/4 mile run at 172 mph. Obviously it's been dethroned since then, but it's still a cool piece of two-wheeled history. Most Popular.
New Zealander Burt Munro was a motorcycle land-speed record-holder of the 1960s. One of his dreams was to run his homebuilt 1920 Indian Scout motorcycle, dubbed the Munro Special, on the Bonneville Salt Flats in Utah. He saved for years in spite of limited means to make the trip to America.and speed record attemptsStarting in the 1940s, Munro earned a number of New Zealand speed records. His first record was the New Zealand open road record set in 1940 at a speed of 120.8 mph. That record held for 12 years.