Production of Olive-Oil

Today, we have information that the oldest method of producing olive-oil was to collect the oil by placing olive fruits in hot water,after crushing them with the feet. Afterwards, several new methods for olive-oil production was invented by the humankind,from crushing olive fruits between two pieces of milling stones anduse of animal power for the same purpose and eventually to higher technologies including the use of presses and steam power. Today, olive-oil is produced at the most technologically advanced facilities in continuous processes, without even a single touch of human hands.