necessary coal mining machines,Continuous miners | Introduction | underground COALThey also have roof bolting equipment mounted on the miner in locations allowing . without moving the miner and be installed close to the cut face if necessarynecessary coal mining machines,New to Mining? Here are the Most Common Types of Mining .Dec 21, 2015 . Probably one of the most common pieces of mining equipment, drills are an important part of the underground mining operation. Underground.
necessary coal mining machines