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• The retarder is installed (at) 100 m from the surface.

• The resistance measuring bulb can be located at any distance up to 3000 ft away from the instrument.

• The switch is closed except when a descending cage is within a fixed distance of the shaft bottom.

• The pitot-static tube is located a considerable distance from the airspeed indicator.

• The transmitters were positioned at various distances from the ground track of the satellite.

• The flame, seen at a distance of a few kilometres, may ...

• A diffuse source of radius r is situated distance f from a fibre.