Creosote name is derived . The two main kinds recognized in industry are coal-tar creosote and wood-tar creosote. The coal-tar variety, having stronger and more toxic properties, has chiefly been used as a preservative for wood; coal-tar creosote was also formerly used as an escharotic, to burn malignant skin tissue, and in dentistry, to prevent necrosis, before its carcinogenic properties became known. The wood-tar variety has been used for meat preservation, ship treatment, and such medical purposes as an anaesthetic, antiseptic, astringent, expectorant, and laxative, though these have mostly been replaced by modern formulations. Varieties of creosote have also been made
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.