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mercury switch

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mercury switch [′mər·kyə·rē ‚swich]
(electricity)
A switch that is closed by making a large globule of mercury move up to the contacts and bridge them; the mercury is usually moved by tilting the entire switch.
mercury-contact switch
A wall-mounted switch used in interior electric wiring; contains a sealed glass tube of mercury which provides a silent contact when the switch is turned on.
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We will use mercury switch for this purpose, they said adding that hand glove communicates with frame grid through RF transmitter.
Creative SSUET students invent hand to replace computer mouse by Balochistan Times (Baluchistan Province, Pakistan)
4, 2010 Prevention vehicle parts, the Management metalcaster must either Practices for create a site-specific Mercury plan for mercury switch removal or purchase scrap from a vendor that participates in an approved mercury program.
Clock is ticking for curbed emissions: the finalization of the ... by Blankestyn, Mike; Schmeisser, Craig / Modern Casting
Environmental Defense, the Ecology Center and the Environmental Council of the States launched the mercury switch removal program.
EPA reports progress on mercury switch removal by Recycling Today
 
 
 
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