Gufunga ibikoresho bya plaque nibikoresho byingenzi bikoreshwa mugubaga amagufwa kugirango ushiremo kandi utekanye ibyapa bifunga, bikoreshwa mukuvura kuvunika no guhagarika amagufwa. Ibi bikoresho byashizweho kugirango bisobanuke neza, biramba, kandi byoroshye gukoresha, byemeza uburyo bwo kubaga neza kandi bunoze.
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