So you want to draw attention to yourself at work or have kids who just won’t quit. Try installing this Mini-Traffic Light. What better way to say coffee break or time out? At a size of 270 x 100 x ...
The most important thing to know about Fresnel lenses, before casually attempting to drop them into conversation, has to do with phonetics: "Fresnel" is pronounced "Fruh-NEL." If the silent "S" makes ...
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