The invention provides a liquid container for storing liquid to be supplied to a liquid consuming apparatus. The array substrate comprises: a base substrate and an electrode arranged on the base substrate. A translucent blade engages the handle and is illuminated by the light source. Preferably, the protective member includes an internal shell to simultaneously cover the internal surface of the visor and to form a transversal V-shaped cross-section of the protective member for slidably receiving the visor therein. A third portion of the granules supports phosphoric acid. More,particularly the present invention relates to a system for collecting, evaluating, generating, and presenting data andor information relating to electronic commerce.