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People often have misconceptions about guide dogs, including believing they work all the time. In reality, the dogs usually work only when their handler leaves their residence. The handler tells the dog where they want to go, and the dogs are taught intelligent disobedience—blocking the handler from proceeding when there is an unsafe situation.
Video demonstrating the operation of a touch-sensitive lamp. A touch-sensitive lamp is a combination of a lamp and a touch switch. They act on the principle of body capacitance, activated by human touch rather than a flip, push-button, or other mechanical switch. They are popular as desk and nightstand lamps. Touch-sensitive lamp switches may ...
Leader Dogs for the Blind is a guide dog training organization located in Rochester Hills, Michigan.It was founded in 1939 by Lions Club members Charles Nutting, Don Schuur and S.A. Dodge, [1] as the second guide dog organization founded in the United States and has paired over 14,500 dogs with the visually impaired worldwide, making it one of the largest organizations of its kind.
A room may have multiple scenes pre-set, each one created for different activities in the room. A major benefit of lighting control systems is reduced energy consumption. Longer lamp life is also gained when dimming and switching off lights when not in use.
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A mercury-vapor lamp is a gas-discharge lamp that uses an electric arc through vaporized mercury to produce light. [1] The arc discharge is generally confined to a small fused quartz arc tube mounted within a larger soda lime or borosilicate glass bulb. [ 1 ]
Fluorescent lamp tubes are often straight and range in length from about 100 millimeters (3.9 in) for miniature lamps, to 2.43 meters (8.0 ft) for high-output lamps. Some lamps have a circular tube, used for table lamps or other places where a more compact light source is desired.