A solvent composition for liquid delivery chemical vapor deposition of metal organic precursors, to form metal-containing films such as SrBi2Ta2O9 films for memory devices. The method also includes providing an application programming interface to the IHS, wherein the API is configured to monitor a first parameter and a second parameter. The carrier may be stored in a normal cart space and is suitable for use in hospitals, airports etc. Therefore, one side of the subsidiary frame is pressed against the lenses of the eyeglasses major body and the other side is firmly abutted with the protruding portion, so as to achieve firm positioning of the subsidiary frame and to protect the subsidiary frame from fall off in using. Material of the film includes aluminum and gold.