steering arm
(surveying) A level staff or graduated rod used by surveyors to measure differences in level, or to measure horizontal distances by sighting the stadia hairs (graduations) through a telescope.
(film, television) A kind of large lamp with a parabolic reflector to diffuse the light.
plural of chaco
A bar connecting the steering wheel to the torsion bars to steer a car or vehicle.
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DiQt（ディクト）
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