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youtube-dl is a free and open source software tool for downloading video and audio from YouTube [3] and over 1,000 other video hosting websites. [4] It is released under the Unlicense software license. [5] As of September 2021, youtube-dl is one of the most starred projects on GitHub, with over 100,000 stars. [6]
They remain on automatically for an adequate time to climb the stairs, then turn themselves off. To provide longer lighting times when required the button may be pressed repeatedly. For this reason any timer should be a retriggerable monostable , i.e. the off delay lasts from the time of the last button press.
A medical stair lift. A stair lift is a mechanical device for lifting people, typically those with disabilities, up and down stairs. [1] For sufficiently wide stairs, a rail is mounted to the treads of the stairs. A chair or lifting platform is attached to the rail.
Landing platforms are the two platforms (at the two ends) that house the curved sections of the tracks, as well as the gears and motors that drive the stairs. The top platform usually contains the motor assembly and the main drive gear, while the bottom holds the return gear. These sections also anchor the ends of the escalator truss.
Stair climbing has developed into the organized sport tower running.Every year several stair climbing races are held around the world with the competitors running up the stairs of some of the world's tallest buildings and towers (e.g., the Empire State Building, Gran Hotel Bali), or on outside stairs such as the Niesenbahn Stairway.
A "quarter-turn" stair deposits the person facing 90° from the starting orientation. Likewise, there are half-turn, three-quarters-turn and full-turn stairs. A continuous helix may make many turns depending on the height. Very tall multi-turn helical staircases are usually found in old stone towers within fortifications, churches, and in ...
StairMaster is an American company specializing in the design and production of fitness equipment.They sell cardiovascular and strength equipment such as stair climbing machines, TreadClimber cardio machines and dumbbell sets.