The average temperature in Oymyakon has risen about 2.7 degrees Celsius since preindustrial times. Instead of becoming agrarian capitalists, farmers held onto preindustrial capitalist values emphasizing family and community. In preindustrial societies, menarche typically occurred later than in current industrial societies. Eating disorders are less reported in preindustrial, non-westernized countries than in Western countries. This can range in scale from the traditional use of preindustrial societies, to global industry. Historical documents shed light on neighbourhood life in numerous historical preindustrial or nonwestern cities. In preindustrial and non-industrial societies, persons retain their hearing into old age. Seawater is slightly alkaline and had a preindustrial pH of about 8.2. In preindustrial times, the material of choice for blacksmiths was wrought iron. The setting of Earthsea is preindustrial, and has many cultures within the widespread archipelago. Their shells have also been used as a form of currency in some preindustrial societies. Their shells have also been used as money in some preindustrial societies. In Scandinavian countries, Scots pine was used for making tar in the preindustrial age. Neighbourhoods in preindustrial cities often had some degree of social specialisation or differentiation. In preindustrial times, humans had far less exposure to loud sounds.