| 摘要 |
A method of warning individuals about the top or side surface of an indoor counter top grill, panini maker or quesadilla maker involves applying to a portion a thermochromic composition that reveals a heat warning symbol to warn individuals that surface is too hot to touch. Liquid crystal or other thermochromic composition designed to undergo and maintain a readily perceptible color change at or above a specified temperature, the color change revealing a heat warning symbol. Thermochromic ink or epoxy is applied sprayed, stamped, stenciled, silk screened, embossed to the hot surfaces of appliances. The heat warning symbol is invisible when cold and is visible when a threshold temperature is reached. The method can also employ a plurality of heat warning symbols on multiple surfaces of the appliance to maximize the warning system's effectiveness and tailor it to children and adults.
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