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WebA switch is an electrical device, usually electromechanical, used to control continuity between two points. Hand switches are actuated by human touch. Limit switches are actuated by machine motion. Process switches are actuated by changes in some physical process (temperature, level, flow, etc.). WebApr 11, 2024 · Only one day later, the first geocache was hidden on May 3, 2000. Geocaching was born! We’re launching a new souvenir to celebrate Blue Switch Day and the innovators who made it possible! Earn the Blue Switch Day 2024 souvenir by finding a geocache, Adventure Lab® Location, or by attending an Event between May 1–3. Happy geocaching! memory neck pillow
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