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The resulting spiral provides a gradual, eased transition, preventing undesirable sudden, abrupt changes in lateral (centripetal) acceleration that would otherwise occur without a transition curve. Similarly, on highways, transition curves allow drivers to change steering gradually when entering or exiting curves.
In American football, an unhindered catch of an opponent's kick. The player wanting to make a fair catch must signal for a fair catch by waving an arm overhead while the ball is in the air. After that signal, once the ball is possessed, it is dead immediately and opponents will receive a 15-yard penalty for any contact with the receiver.
Map of the areas and stations served by Acela in 2006. The Acela (/ ə ˈ s ɛ l ə / ə-SEL-ə; originally the Acela Express until September 2019) is Amtrak's flagship passenger train service along the Northeast Corridor (NEC) in the Northeastern United States between Washington, D.C. and Boston via 13 intermediate stops, including Baltimore, New York City and Philadelphia.
Also known as an "Octopus stretch" and Manji-gatame (Japanese version), the wrestler stands behind the opponent and hooks a leg over the opponent's opposite leg. The wrestler then forces the opponent to one side, traps one of the opponent's arms with their own arm and drapes their free leg over the neck of the opponent, forcing it downward.
Finger grip on a four-seam fastball Finger grip on a four-seam fastball. The four-seam fastball is designed purely for velocity; it travels to the batter's box with little or no "break" from straight-line flight—the intent being to challenge the batter's reaction time instead of fooling him with a pitch that breaks downward or to one side or the other.
The planview is an overhead view of the entire approach procedure shown to scale. It includes approach segments, NAVAIDs , restrictive airspeeds, restrictive altitudes, holding patterns and procedure turns, airports, relief , hydrography , international boundary, obstacles, special use airspace , minimum safe altitude, terminal arrival areas ...
In civil engineering, clearance refers to the difference between the loading gauge and the structure gauge in the case of railroad cars or trams, or the difference between the size of any vehicle and the width/height of doors, the width/height of an overpass or the diameter of a tunnel as well as the air draft under a bridge, the width of a lock or diameter of a tunnel in the case of watercraft.
Often utilizing a structured questioning flow chart or algorithm. Dispatch: Refers to person or place designated for handling a call for help by alerting the specific resources necessary. Draft: The process of pumping water from a static source below the pump. DOS: Death on scene. Also known as, "DOA" - Dead on arrival.