The aircraft carriers of the Nimitz Class are the largest warships currently in service in the world. At around $4.5 billion each, these carriers are the most expensive ship on this list. The ten ships of this class help the United States flex its military muscle around the world.
Introduction to China Jaw Crusher. Jaw crushers machine are invented in 1858 and first widely applied in road paving and then in mines.
Quick Answer. The first working gun silencer was developed by Hiram P. Maxim in 1908, who started selling the first units when the invention was patented, in 1909. Hiram P. Maxim is the son of U.S. born inventor Hiram Smith Maxim who invented the first portable machine gun. Continue Reading.