What are five techniques utilized in the Ministry of Love to reduce Winston into a loyal follower of the Party who "loved Big Brother"

Winston isn't given food or drink; he is beaten regularly (bones are broken and he has many terrible contussions), drugged, and interrogated; he is forced to admit many crimes and "he was forced to suffer face slapping, ear ringing, and standing on one foot for long periods of time." O'Brien also used electroshock therapy on him.