… 70.04 or 70.05, bent, edge-worked, engraved, drilled, enamelled or otherwise worked, but not framed or fitted with other materials. …
Explanatory notes
… which has been subjected to one or more of the processes mentioned below. The heading does not , however, include … On the other hand, glass sheets set in wood or in base metal, designed for framing photographs, pictures, etc., … electrical circuits consisting of impressed conductive metallic pastes, and heating glass plates bearing metallised …