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The pullback bundle is an example that bridges the notion of a pullback as precomposition, and the notion of a pullback as a Cartesian square. In that example, the base space of a fiber bundle is pulled back, in the sense of precomposition, above. The fibers then travel along with the points in the base space at which they are anchored: the ...
The triangular objects on either side of the flippers that propel the ball toward the opposite side. solenoid. A coil, with another coil or magnet inside, used in flippers, kickers, and other mechanical devices. When the coils are energized, the opposing magnetic fields cause the inner piece to move.
Also Centering spring cylinder. A cylindrical cast-iron holder in which an adjusting string is placed. Adjusting spring seat A casting, or a part of the bolster of a two-wheel trailing truck, forming a bearing for the end of the adjusting spring. Admission The opening of steam port to admit steam to one end of a cylinder. If the valve has no lead, admission takes place at the moment the piston ...
Low back strain can be caused by: Extreme physical exertion. Falling. Bending or crouching repeatedly. Lifting heavy objects if you are not in shape. It can also be caused by emotional stress ...
After the 2005 pullback, the Fed stayed its course of gradual interest rate increases, the economy boomed for another three years, and the Dow rallied more than 40%. July 1998-August 1998: Dow ...
Pullback (differential geometry) This article is about pullback operations in differential geometry, in particular, the pullback of differential forms and tensor fields on smooth manifolds. For other uses of the term in mathematics, see pullback. Let be a smooth map between smooth manifolds and . Then there is an associated linear map from the ...
Wikipedia does not have an article on "list of aviation, aerospace and aeronautical terms", but its sister project Wiktionary does: Read the Wiktionary entry "Appendix:Aviation, aerospace, and aeronautical terms". You can also: From a cross-project redirect: This is a soft redirect that is used as a connection to other Wikimedia projects. A ...
Rhomboids — these muscles connect your scapula to the spine and help you bring your shoulders inward. Trapezius (traps) — these extend from the neck to the lower back in a V shape and allow ...