… waste . (5) Furnaces or ovens for annealing or tempering glass . This heading excludes electrically heated apparatus … of radioactive waste (e.g., for the firing of clays or glass containing radioactive residues or for the combustion …
… Explanatory Notes to Chapters 84 and 85). (e) Certain glass articles of Chapter 70 (see General Explanatory Notes … and which include equipment for the heat‑treatment of glass, pumps and lamp‑testing units (heading 84.75). (9) …
… cylinder, the inlet and outlet being regulated by valves. “Single-acting” pumps utilise the thrust or suction of one … device may be very simple (for example, a calibrated globe or unit) or, on the contrary, consist of more complex …
… but excluding those of ceramics ( heading 69.09 ) or of glass ( heading 70.20 ). (8) Thread guides (but not those of glass or ceramics, see headings 70.20 and 69.09 , nor those …
… But the heading excludes filters made mainly of ceramics or glass ( Chapter 69 or 70 , respectively). (2) Filter candles … of a porous surface or mass (felt, cloth, metallic sponge, glass wool, etc.). In the second type, separation is …
