Anglesey who could speak Welsh are as follows: Today, Welsh is less widely used on the island, but it is still the dominant language in certain areas, particularly in the centre, including the town of Llangefni, and some areas of the south coast. A notable example is the village of Llanfairpwll. The island's five secondary schools vary widely in the percentage of their pupils who come from predominantly Welsh-speaking homes, as do the percentages who can speak Welsh: The geology of Anglesey is notably complex and is frequently used for geology field trips by schools and colleges. Younger strata in Anglesey
Anglesey near the north coast. There are plans for the world's first Tidal Flow turbines, near The Skerries, off the north coast, and for a major biomass plant on Holy Island (Ynys Gybi). Developing such low-carbon energy assets to their full potential forms part of the Anglesey Energy Island project. When the aluminium smelting operation closed in September 2009, it reduced its workforce from 450 to 80; this has been a major blow to the island's economy, especially to Holyhead. The Royal Air Force station RAF Valley (Y Fali) is home to the RAF Fast Jet Training School and also 22