| 摘要 |
A versatile heat alert safety device (200) is removably attachable to any hot surface whether flat or rounded. Liquid crystals compositions (230) designed to turn red or orange and remain red or orange at or above a specified temperature, such as 115 degrees Fahrenheit, are shaped in the outline of the word "HOT" and are embedded in a container (240) and attach to a hot surface via an attachment element (220). The crystals can be embedded in the top surface of the heating element of stoves or on the window surface of wall ovens and toaster ovens. They alert anyone that the hot surface or the heat element of the stove or the window is too hot to touch. For use on smooth cooktop stoves the liquid crystal display is embedded in a top surface of the smooth area of glass or metal that forms the heating element of the stove.
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