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2. Light switch - Wikipedia

   en.wikipedia.org/wiki/Light_switch

   A toggle light switch Internal components of a toggle switch. The toggle mechanism provides "snap-action" through the use of an "over-center" geometry. The design was patented in 1916 by William J. Newton and Morris Goldberg. [2] The switch actuator does not control the contacts directly, but through an intermediate arrangement of springs and ...

3. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

4. Cathodic protection - Wikipedia

   en.wikipedia.org/wiki/Cathodic_protection

   Cathodic protection (CP; / k æ ˈ θ ɒ d ɪ k / ⓘ) is a technique used to control the corrosion of a metal surface by making it the cathode of an electrochemical cell. [1] A simple method of protection connects the metal to be protected to a more easily corroded "sacrificial metal" to act as the anode. The sacrificial metal then corrodes ...

5. 30' surf rescue boat - Wikipedia

   en.wikipedia.org/wiki/30'_surf_rescue_boat

   The sides of the hull are made of 5/8" Airex foam cored fiberglass reinforced plastic (FRP), and the bottom of the hull is constructed of solid FRP molded in one piece. The boat is 30' 4" in length with a 9' 4" beam, and weighs a total of 11,500 lb (5,200 kg) when fully loaded with gear and engine.

6. Lifebuoy - Wikipedia

   en.wikipedia.org/wiki/Lifebuoy

   Lifebuoy with emergency light on a cruise ship A lifebuoy floating on water. A lifebuoy or life ring, among many other names (see § Other names), is a life-saving buoy designed to be thrown to a person in water to provide buoyancy and prevent drowning. [1] Some modern lifebuoys are fitted with one or more seawater-activated lights to aid ...

7. Cape-class motor lifeboat - Wikipedia

   en.wikipedia.org/wiki/Cape-class_motor_lifeboat

   The Canadian Coast Guard (CCG) maintains a fleet of 14.6 m (47 ft 11 in) Cape-class motor lifeboats [2] based on a motor lifeboat design used by the United States Coast Guard. In September 2009 the CCG announced plans to add five new lifeboats, bringing the total number of Cape-class lifeboats to 36.