An electrical connector for connecting an electrical device and a circuit board of the present invention comprises an insulating body having a plurality of terminal receiving holes and a plurality of conductive terminals. Alternatively, or in addition, the at least one element may generate at least one of an electric field and a magnetic field, and at least one of the product and the surface may be enabled to be subjected to the field generated by the at least one substance. Instead of delivering the entire document over a slower network connecting the content server to the content browser, the document is delivered as a collection of changes to previously delivered documents that are much closer to the user’s content browser. The connecting portion has an engaging portion connected with the upper portion of the rotatable portion. The present invention is pharmacologically useful for the treatment of cancer, rheumatoid arthritis, and diabetic retinopathies through anti-angiogenic properties, and also pharmacologically useful in the protection of heart and neuronal cells against ischemia-reperfusion injury or preserving organs. A method of making a glass matrix-ceramic particulate composition useful for sealing electrochemical structures, such as solid oxide fuel cells is also disclosed.