SEMI-SUBMERSIBLE RIG ENERGY EMERGENCY POWER Brush-holders Carbon brushes MAIN POWER Slip ring assemblies Brush-holders Carbon brushes MOTOR AZIMUTHING PITCH Brush-holders Carbon brushes MOTOR VARIABLE PITCH Brush-holders Carbon brushes MUD PUMPS Brush-holders Carbon brushes CRANES Brush-holders Carbon brushes Slip ring assemblies ROTARY TABLE Brush-holders Carbon brushes Brush-holders Carbon brushes DRAW WORKS