the difference of the concealed hinge and the general hinge

hinge is used to connect two solid hinge and allows rotation between a mechanical device to do. Hinges may be provided by movable components, or by a foldable material. Hinge mainly installed in doors and windows. Installed in the cabinet hinge more; divided into categories according to the material, stainless steel hinges and iron hinges, to let people get better enjoyment appeared hydraulic hinges, is characterized by a certain buffer, the greatest degree of reduced noise

http://www.aliexpress.com/store/502733