In our in our Cooperative , 1961-1989 , the oil extraction system is done through traditional capachos Almanzara . Although there is no more modern activity machinery purchased by the Cooperative and settled in 1067 ( One could say that the traditional or more modern system that is built is preserved , since in the space reserved for another mill space identical stone space, be fitted with the current system ) . It consists of a ring of 4 millstones conical stone, two hydraulic presses and each with two cars