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A coffee blend is the result of a selection of raw coffee and the most elaborated with production techniques. Nevertheless, in order to ensure a perfect coffee it is essential that the espresso coffee machine and the coffee grinder are correctly regulated .....
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The coffee blending is a relatively modern invention of roasters’ companies that have been used it to characterize their productions and thus its business.
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To obtain a stable and persistent cream on a espresso coffee, it is necessary that the water passes through the coffee at a pressure of no less than nine atmospheres: that value can be reached only by professional espresso bar machines. Furthermore, .....