Description: Mining, Rocks On To Belt Factory & Industrial Equipment

Description: Roller Type, Pushing Box On To Belt Factory & Industrial Equipment

Description: Run Steady Factory & Industrial Equipment

Description: Electric Motor, Start, Run Factory & Industrial Equipment

Description: Coal Mine, Start, Run, Stop Factory & Industrial Equipment

Description: Conveyor Belt: Run, Shut Off Factory & Industrial Equipment

Description: Conveyor Belt: Start, Run, Stop, Close Up Of Gears, Factory Factory & Industrial Equipment

Description: Conveyor Belt: Running, Factory Factory & Industrial Equipment

Description: Start, Run, Stop Factory & Industrial Equipment

Description: Clicking Of Chain Conveyor, Motor In B/G, Factory Factory & Industrial Equipment