Zinc is highly resistant to corrosion, which makes it an excellent choice for protecting other metals from rust and corrosion. Zinc is a bluish-white metal with a lustrous appearance when freshly polished. The largest application of zinc is in galvanizing, where it is used to coat steel or iron surfaces. Shaanxi is one of the major zinc-producing regions in China. Many countries in West Asia rely on imports to meet their zinc requirements. Many countries in Asia import zinc ingots to meet their domestic demand. Metal is a term used to describe a class of chemical elements that exhibit certain properties and characteristics. Metals are excellent conductors of electricity. Metals have attracted human attention for centuries because people were able to use metals to make high-performance tools that they used in both warfare and logistics. In the 20th century, the discovery and extraction of oil in the Middle East transformed the region's economy. West Asia has a geologically diverse landscape that has undergone complex geological processes over millions of years. Chad is a country located in Central Africa. Chad is a country with a very underdeveloped economy and depends mostly on its natural resources, such as oil, gold and uranium. Chad's important economic sectors include agriculture, mining, oil industry and construction industry. Also, trade and export are also important in Chad. The products that Chadian traders import and export to other countries may include food, household appliances, electronic products, toiletries, sporting goods and other products.
