Wood preservation these pressure treatments routinely protect wood for 40 years in most applications. Creosote was the first wood preservative to gain industrial importance more than 150 years ago and it is still widely used today for protection of industrial timber components where long service life is essential. Creosote is a tar-based preservative that is commonly used for utility poles and railroad ties (UK: railway sleepers). Creosote is one of the oldest wood preservatives, and was originally derived from a wood distillate, but now, virtually all creosote is manufactured from the distillation of coal tar. Creosote is regulated as a pesticide, and
HMCS Preserver (1941) HMCS Preserver (1941) HMCS "Preserver was a Fairmile depot ship constructed for the Royal Canadian Navy during World War II. Commissioned in July 1942, "Preserver" served as a base ship in Canadian and Newfoundland waters during the war. The ship was sold to the Peruvian Navy in 1946 and renamed the vessel Mariscal Castilla. Used as a fleet supply ship, "Mariscal Castilla" was renamed Cabo Blanco in 1953. Past 1960, the sources diverge on the fate of the vessel, with most stating that "Cabo Blanco" was broken up for scrap, while one states the vessel was sold into commercial service.