Cockroaches have flat, oval-shaped bodies. The bodies of cockroaches are oily to the touch and may be cool or warm, depending on the temperature of their environment. The head of a cockroach is small and is covered by a shield-like pronotum.
World Trade Organization. Today, member countries number 125 (nearly the whole world except China, some former communist countries, and a number of small nations) and WTO rules apply to over 90 percent of international trade.
In 2013 China surpassed the United States as the largest trading nation in the world and plays a vital role in international trade, and has increasingly engaged in trade organizations and treaties in recent years. China became a member of the World Trade Organization in 2001. China also has free trade agreements with several nations, including ChinaâAustralia Free Trade Agreement, ChinaâSouth Korea Free Trade Agreement, ASEANâChina Free Trade Area, Switzerland and Pakistan.