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  • ...dustrial heating and drying processes, [[lava lamp]]s, and the [[Easy-Bake Oven]] toy. Incandescent bulbs typically have short lifetimes compared with othe ...etallized or "graphitized" filament was first heated in a high-temperature oven before flashing and lamp assembly. This transformed the carbon into [[graph
    104 KB (15,285 words) - 16:44, 16 December 2018