Complete the Conveyor Circuit Puzzle
At the bottom of the conveyor belt you will be stuck. To advance you need to complete a circuit. Right where you land take a right and walk along the conveyor belt there until you reach a ramp leading up. Go up this ramp and look to the right. There is socket here. Shoot the socket with one of your hands (leave it connected). Turnaround and walk down the ramp to get around the electricity pole. Head back to the entrance and walk towards the door. Look left and shoot the socket there to complete the circuit. You will automatically move forward along the belt. Ride the belt until you reach the room at the end.