Metals

ISBN: 9780778714187

出版社: Crabtree Pub Co

出版年: 2004-11

页数: 32

定价: $ 30.06

装帧: SAL

内容简介

Metal ores are one of the Earth's most common minerals. They are useful in all types of industry because they last a long time, are conductors of electricity, and can be easily shaped.