and then taking them to extract to find oil content sticking out with fiber from the press which taking fiber from the press to extract to find the content of percent loss of oil can examine and analyze the value that receive in order to adjust or revise in part of production process and machines used in company. The press with the least oil percentloss value is head 2 and the press with the mostoil percent loss value is head 5which all oil percent loss value are placed in benchmark that the factory fixed.