Terracotta Army the earliest industrial use of lathes for polishing. The first exhibition of the figures outside of China was held at National Gallery of Victoria (NGV) in Melbourne in 1982. A collection of 120 objects from the mausoleum and 12 terracotta warriors were displayed at the British Museum in London as its special exhibition "The First Emperor: China's Terracotta Army" from 13 September 2007 to April 2008. This exhibition made 2008 the British Museum's most successful year and made the British Museum the United Kingdom's top cultural attraction between 2007 and 2008. The exhibition brought the most visitors to the museum
Terracotta Army were placed in the pits in precise military formation according to rank and duty. The faces were created using molds, and at least ten face molds may have been used. Clay was then added after assembly to provide individual facial features to make each figure appear different. It is believed that the warriors' legs were made in much the same way that terracotta drainage pipes were manufactured at the time. This would classify the process as assembly line production, with specific parts manufactured and assembled after being fired, as opposed to crafting one solid piece and subsequently firing it. In