Department store has its headquarters. As of 2016, there were 95 El Corte Inglés department stores. Other competitors such as Simago and Galerías Preciados closed in the 1990s. However, El Corte Inglés faces major competition from French discount operators such as Carrefour and Auchan. In Sri Lanka there are few department stores. Most are based on Colombo, the country's capital. Notable department stores are Odel, the Food City chain by Cargills (Ceylon) PLC and the Arpico chain operated by David Pieris & Co. The largest department store chain in Sweden is Åhléns, which operates stores throughout the country. Its flagship Stockholm store,
DIY audio and chassis' are the most time consuming aspects of audio DIY. Drilling, metalworking and physical measurements are critical to constructing almost any DIY audio project, especially speakers. Measuring equipment such as a Vernier caliper is often essential. Woodworking skills are required to construct wooden enclosures (e.g. for speakers), with some enthusiasts going beyond traditional woodworking to CNC turning, and luxurious veneers and lacquers. Room acoustics solutions are also popular among DIYers, as they can be made with inexpensive and readily available insulating materials, and can be dimensioned to fit each particular room in a precise and aesthetically pleasing way. DIY