The present invention has enabled computing resources existing in domestic network systems to be utilized with a maximum efficiency. The system further includes a haulage motor structured and arranged to move the shearer carriage along the rail assembly. A flexible joint secures the fore edge of the deflection plate to the engine and a frangible joint secures an aft edge of the deflection plate to the engine. The notch may extend between the side surfaces of at least two recesses of the tray.