Wood preservation preservation reaching back to ancient Greece during Alexander the Great's rule, where bridge wood was soaked in olive oil. The Romans protected their ship hulls by brushing the wood with tar. During the Industrial Revolution wood preservation became a cornerstone of the wood processing industry. Inventors and scientists such as Bethell, Boucherie, Burnett and Kyan made historic developments in wood preservation, with the preservative solutions and processes. Commercial pressure treatment began in the latter half of the 19th century with the protection of railroad cross-ties using creosote. Treated wood was used primarily for industrial, agricultural, and utility applications, where it
Coal in Finland Coal in Finland Coal in Finland is used as an energy source in Finland. However, since Finland has no domestic coal production, it must import all of it from other countries, primarily from Russia. Finland is a peat-producing nation. Peat is classified as coal by the IEA. There is no coal mining or coal tar in Finland. Coal is imported. According to Finnwatch (27.9.2010) there are 13 coal power plants in Finland. The companies Pohjolan Voima, Fortum, Helsingin Energia and Rautaruukki consume coal most. According to the Finnwatch inquiry in 2010 none of the Finnish companies had yet a commitment