Apparatus for use in mining; Tools for mining machines; Apparatus for conveying goods; Belt conveyors; Conveying belts; Conveying machines; Conveying rollers; Conveyor belt apparatus; Conveyor belt rollers; Conveyor installations (other than for the transportation of people); Conveyors (machines); Conveyors for use in mines; Electronically operated conveyor belt apparatus; Industrial conveyors; Live-roller conveying installations; Machines for conveying; Machines in the nature of conveyors; Roller conveying apparatus; Roller tracks for use in belt conveyor apparatus; Roller tracks for use in roller conveyor apparatus; Rolling (conveying) machines; Trough conveyors (machines); Pulleys; Pulleys (parts of machines); Pulleys incorporating bearings (parts of machines); Supporting elements for conveyors; Cleaning apparatus for industrial purposes; Cleaning machines for industrial installations; Cleaning machines for machine tools; Conveyor belt scrapers; Apparatus for lifting; Devices for lifting; Machines for lifting; Bearing brackets for machines; Bearing brackets for roller bearings; Bearings; Bearings (parts of machines); Bearings for shafts; Roller bearings; Shaft bearings (parts of machines); Mechanical winders; Shafts for machines