… glass, in sheets or profiles, whether or not having an absorbent, reflecting or non-reflecting layer, but not …
Explanatory notes
… glass, in sheets or profiles, whether or not having an absorbent, reflecting or non-reflecting layer, but not … glass which is more or less opacified in the mass and sometimes completely opaque. It is often made to resemble … viscous mass of glass to the thickness of the flanges. As soon as the glass reaches the required consistency, it is …