1. Home >
  2. Blog >
  3. Blog Detail

Machine mines

mining.”14 In addition, timbering often became the res ponsibility of a special crew, paid by the day rather than the ton.15 Unfortunately, in many ways machine mining in fact made roof support more difficult. Most importantly, loading machines required a prop-free front in which to work. The machine operator was usually

Do you want a customized solution?

Click avatar to contact us
Hi,may I help you with products, price, etc?
Chat Online