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
English words of Greek origin πρεσβύτερος ("presbýteros" 'elder'), and "church" < Old English "cirice", "circe" < probably κυριακή [οἰκία] ("kȳriakḗ [oikía]" 'lord's [house]'). In some cases, the orthography of these words was later changed to reflect the Greek – and Latin – spelling: "e.g.", "quire" was respelled as "choir" in the 17th century. Sometimes this was done incorrectly: "ache" is from a Germanic root; the spelling "ache" reflects Samuel Johnson's incorrect etymology from Greek ἄχος. Many more words were borrowed by scholars writing in Medieval and Renaissance Latin. Some words were borrowed in essentially their original meaning, often transmitted through classical Latin: "topic", "type", "physics",