1) Engineering vehicle 2) Excavating equipment
Found on
https://www.crosswordclues.com/clue/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. The cutting head can be a gener...
Found on
http://en.wikipedia.org/wiki/Roadheader
No exact match found.
