Lead is also used in some *ceramic and vinal (vinyl) products, candles, hair colorings and other goods. 鉛還被用于一些陶器和乙烯制品中，蠟燭、染發(fā)劑以及其他商品。
Honing process is increasingly becoming a vinal part in modern manufacturing units. The rational selection of honing parameters is provided to guarantee the honed surface quality. 珩磨加工正逐步成為現(xiàn)代制造單元中所必須的重要組成部分。文中提出珩磨工藝參數(shù)的合理選擇依據(jù)，從工藝上保證了珩磨加工表面質(zhì)量。