
Also known as boom-type roadheader, road header machine, road header, header machine
thumb|250px|A typical roadheader A roadheader, also called a boom-type roadheader, road header machine, road header or just header machine, is a piece of excavating equipment consisting of a boom-mounted cutting head, a loading device usually involving a conveyor, and a crawler travelling track to move the entire machine forward into the rock face.
自由断面掘削機(じゆうだんめんくっさくき)は、トンネル工事、鉱物掘削等の坑道掘削に使用される土木機械であり、ロードヘッダ、ブームヘッダー、ミゼットマイナー等の商品名で呼ばれる。
Abstract from DBpedia / Wikipedia · CC BY-SA
via Wikidata sitelinks · CC0
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).