What do you think are the tunnel mining machines?

The mining industry utilizes a handful of heavy duty equipment to explore and develop underground mine site. The equipment is used in an assortment of ways from removing and stockpiling overburden, breaking and removing rocks to processing ores and carrying out reclamation projects after the mine is closed. Underground mining is a different kind of mining for which some special designed mining machinery are needed. For example,
mucking loader
milling machine
tunnel repair machine, etc