How olive oil is made

Producing olive oil is takes a longtime to process and have some difficult problem. However if you follow these steps you will find it easy to do it and produce a high quality of oil.
At the first, from September to December, the lives are harvested by hand or with sticks and rakes. They are collected on nets beneath the trees. After that, leaves and stones are removed before crushing because the olives washer to remove impurities. Then, within 24 to 36 hours of picking, the olives are crushed by granite millstones. The olive paste obtained is layered on mats which are put under pressure from a screw or hydraulic press. The liquid produced is collected and put through a centrifugal separator to separate the water and impurities from the oil. Finally, after centrifugation, the oil is obtained.