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 And the final step finishing the preparation for the coffee roasting is called processing. There are two major methods of coffee processing – dry and wet milling.
a) Dry milling – is usually practiced in the countries where the conditions for coffee growing are not ideal and the coffee berries are of a poorer quality. The process occurs in the following manner: after the harvesting coffee beans are dried under the direct sunlight or by special drying machines until they gain the appropriate humidity level which is 10-12%. Thus they are already prepared for the roasting.
b) Wet milling – is a more complex method as in comparison with the previous one, still it is the preferred way of drying and provides the higher quality coffee beans.
 Harvest is still in process but the drying already begins. When the first crop is gathered, it is shifted to a special pulping machine that separates the peeling from the berry and after that the bean is allowed to dry out or is sent to a particular fermentation reservoir where it stays for a while for fermentation. The next step is to carefully wash the beans so that any unnecessary remnants are fully taken off. Only than the beans are dried under the sun or in the special drying machines. In result, we have the green coffee bean that is still not the final product – it still needs roasting to be grinded for the coffee beverage itself.Wrapped in vellum, the coffee beans are stored in special ventilated dry warehouses and waiting for their turn to be roasted and grinded for the people’s beloved beverage – coffee drink, espresso and many others.
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