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But such is the ironic lot of a chip maker. Three products were tested — rust remover, glass etching cream, and a dental porcelain etching gel — against a 300 nm silicon dioxide layer.

NANCHANG, Oct. 20 (Xinhua) -- Dutch designer Johannes Gille crafts ceramic lamp shades in Jingdezhen, the world-famous "porcelain capital" in east China's Jiangxi. "Historically, the blue and white ...