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A Park Tool bicycle work stand. The founders of Park Tool along with James E. Johnson developed a clamping device on their original bike repair stand, for which they received a United States Patent in 1976. [3] The company has applied for and has been granted many patents since then, including a pizza cutter shaped like a penny-farthing.
The geometry of the way can vary depending on the situation. The most common types are flat, vee, and dovetail ways. Flat ways are used when there is little requirement for the slide to be constrained perpendicular to the axis of movement, or the constraint is being provided by another component or otherwise not needed, such as on the carriage of a lathe.
Dogs can have the maternal instincts to start grooming their puppies, consume their puppies' feces, and protect their puppies, likely due to their hormonal state. [ 124 ] [ 125 ] While male-parent dogs can show more disinterested behaviour toward their own puppies, [ 126 ] most can play with the young pups as they would with other dogs or ...
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A bearing compass, is a nautical instrument used to determine the bearing of observed objects. (Bearing: angle formed by the north and the visual to a certain object in the sea or ashore). Used in navigation to determine the angle between the direction of an object and the magnetic north or, indirectly relative to another reference point.
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