Etna DOC affects the maturation of the grapes and therefore there is a significant difference between the harvest period of the Etna and the rest of the Sicily areas. The soil is volcanic and very rich in minerals. It is formed by the disintegration of one or several types of lava of different ages and eruptive materials such as lava, ash and sand. Containing all these particles, the crops cultivated on Etna soil benefit from nutrients like iron, copper, phosphorus, magnesium and others. Etna DOC Etna is a "Denominazione di origine controllata" (DOC) for wine from the Etna region in Italy. Etna
Italian ship Etna (A 5326) . She is powered by two Sulzer diesel engines, which drive two propellers through reduction gearing. This system gives "Etna" a speed of , though she has the greatest range () at a speed of . "Etna" is equipped with minimal armament and an electronic warfare support measures system. The ship is also equipped with an Alenia Marconi Systems radar, a Selex command system and an Elmer MAC communications system. In March 2011, "Etna" was deployed to the coast of Libya as part of Operation Unified Protector, a NATO operation to enforce an arms embargo on Libya. Italian ship Etna