Single (music) - Types. 1  Singles have been issued in various formats, including 7-inch (18 cm), 10-inch (25 cm), and 12-inch (30 cm) vinyl discs (usually playing at 45 rpm); 10-inch (25-cm) shellac discs (playing at 78 rpm); cassette, 8 and 12 cm (3- and 5-inch) CD singles and 7-inch (18 cm) plastic flexi discs.
Conwy Castle. Conwy Castle, a World Heritage Site, is a magnificent fortress in North Wales. Built by James Saint George for King Edward I, it has towered over the medieval town of Conwy ever since.onwy Castle. Conwy Castle, a World Heritage Site, is a magnificent fortress in North Wales. Built by James Saint George for King Edward I, it has towered over the medieval town of Conwy ever since.
Conwy Castle was built between 1283 and 1289 by King Edward I to replace Deganwy Castle, which was destroyed by Llywelyn the Last in 1263. Conwy Castleâs design and construction were managed and overseen by Jacques de Saint-Georges d'Esperanche (EspÃ©ranche james Of Saint) george master. masononwy Castle was built between 1283 and 1289 by King Edward I to replace Deganwy Castle, which was destroyed by Llywelyn the Last in 1263. Conwy Castleâs design and construction were managed and overseen by Jacques de Saint-Georges d'Esperanche (EspÃ©ranche james Of Saint) george master. mason