Chinese surnames are used by Han Chinese and Sinicized ethnic groups in Mainland China, Hong Kong, Macau, Malaysia, Taiwan, Korea, Singapore, Vietnam and among overseas Chinese communities. In ancient times two types of surnames existed, namely xing (Chinese: å§; pinyin: xÃ¬ng) or lineage names, and shi (Chinese: æ°; pinyin: shÃ¬) or clan names.
An ice sheet is a large permanent layer of ice covering a continental shelf, defined as having an extent greater than 50,000 km2 (19,305 mi2). An ice sheet is larger than a glacier or ice shelf.
Playing surface. The curling sheet is an area of ice 146 feet (45.5 m) in length by 14 feet 2 inches (4.318 m) to 16 feet 5 inches (5.0038 m) in width, carefully prepared to be as close to level as possible. A key part of the preparation is the spraying of water droplets onto the level ice.