Bikini variants the most diverse range of bikini merchandises. Bikini tops come in several different styles and cuts, including a halter-style neck that offers more coverage and support, a strapless bandeau, a rectangular strip of fabric covering the breasts that minimizes large breasts, a top with cups similar to a push-up bra, and the more traditional triangle cups that lift and shape the breasts. There are four fundamental types of bare-midriff bikini tops: the "brassière", "halter", "bandeau", and "vest". These styles are differentiated by the number of shoulder straps and the resultant number of edges to the garment. Some of these tops
Continental shelf an advancing oceanic plate dives beneath continental crust in an offshore subduction zone such as off the coast of Chile or the west coast of Sumatra. The largest shelf – the Siberian Shelf in the Arctic Ocean – stretches to in width. The South China Sea lies over another extensive area of continental shelf, the Sunda Shelf, which joins Borneo, Sumatra, and Java to the Asian mainland. Other familiar bodies of water that overlie continental shelves are the North Sea and the Persian Gulf. The average width of continental shelves is about . The depth of the shelf also varies,