Olive oil quality

There are many different qualities of olive oil that we can distinguish.
This is the full overview of all the different varietes of olive oil.

A Virgin olive oil

1) Virgin olive oil for consumption.

- Extra virgin olive oil
- Virgin olive oil
- Ordinary virgin olive oil

2)Lampante virgin olive oil


B Refined olive oil

C Olive oil

D Olive-pomace oil

1)Crude olive-pomace oil
2)Refined olive-pomace oil
3)Olive-pomace oil

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These different oil varietes are obtained by different % of oilec acid that the oil contains. Also by mixing up one variety with another can we produce a new variety of oil. How lower the % of acid how higher the prices. Extra virgin olive oil is the best quality oil on the market with a lower or equal percentage of 1% Oilec acid.
Does this mean that other qualities of oil aren't good?
In one way they are, but what we need to know is that we use each quality of oil
for a particular purpose. We don't use Extra virgin olive oil for cooking, but rather use it on bread, or for use on salades.