Bra allows the wearer to use the tighter hooks as the bra stretches during its lifetime. Bras may be designed to enhance a woman's breast size, or to create cleavage, or for other aesthetic, fashion or more practical considerations. Nursing bras are designed to aid breast-feeding. Compression bras, such as sports bras, push against and minimize breast movement, whereas encapsulation bras have cups for support. Breast support may be built into some swimsuits, camisoles and dresses. Bras come in a variety of styles, including backless, balconette, convertible, shelf, full cup, demi-cup, minimizing, padded, plunge, posture, push-up, racerback, sheer, strapless, T-shirt, underwire,
Convention on the Continental Shelf areas" or "to the seabed and subsoil of similar submarine areas adjacent to the coasts of islands". Besides outlining what is legal in continental shelf areas, it also dictated what could not be done in Article 5. In 1960, the United Nations held another conference regarding the Laws of the Sea, UNCLOS II, but no agreements were reached. However, another conference was called in 1973 to address the issues. UNCLOS III, which lasted until 1982 due to a required consensus, adjusted and redefined many principles stated in the first UNCLOS. The new definition of the Continental shelf in the new