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metal spikes worn on the bottom of mountaineering boots, usually having twelve points that dig into the ice for traction
a line that when crossed permits of no return and typically results in irrevocable commitment
The highest point in North America at 20,320 feet is in Alaska. Known to most American's as Mt. McKinley.
the entire range of skills or aptitudes or devices used in a particular field or occupation
concerned with principles of right and wrong or conforming to standards of behavior and character based on those principles
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