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Lifetime Cost - The cost of something, including purchase, operation, maintenance, and disposal costs.
Limit Switch - A protective device used to open or close electrical circuits when temperature or pressure limits are reached.
GreenHome, an online resource of environmentally sustainable products and initiatives, reports that a standard 60-watt incandescent light bulb's lifetime cost amounts to around $9 per megalumen-hour (a light energy and brightness measurement) and it ...
 See also: Home, Energy, Water, House, Building
  
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