inexperienced miner state in afghanistan

Like the old rule the new miner training must be approved by MSHA and given by an MSHAapproved instructor As in the past this training can be provided by many sources including the mine operator the State universities trade associations and independent trainers 14 Miners particularly supervisors sometimes conduct part 48 ... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.