| 34270 | Arsenates, inorganic, of metals (excl. natural nickel arsenates) | |
| 34230 | Arsenic | |
| 34210 | Arsenic (III) oxide | |
| 34230 | Arsenic acids (meta-, orthoand pyro-) | |
| 34230 | Arsenic chlorides | |
| 16190 | Arsenic disulphide | |
| 34280 | Arsenic hydrides | |
| 16190 | Arsenic iron sulphite, natural (mispickel) | |
| 34250 | Arsenic oxysulphide | |
| 34210 | Arsenic pentaoxide | |
| 34280 | Arsenic phosphide | |
| 34210 | Arsenic sesquioxide | |
| 34230 | Arsenic sulphides, artificial | |
| 34230 | Arsenic trichloride | |
| 34230 | Arsenic triiodide | |
| 34230 | Arsenic trisulphide | |
| 34210 | Arsenic, white | |
| 34250 | Arsenides (excl. natural arsenides) | |
| 34210 | Arsenious oxide | |
| 34270 | Arsenites, inorganic, of metals | |
| 34160 | Arsenobenzenes | |
| 34270 | Arsenosulphides, metal (excl. natural ores) | |
| 83569 | Art authentication services | |
| 83569 | Art certification services | |
| 96411 | Art collections, display of, by museums | |
| 85990 | Art specialists, services of | |
| 96320 | Art, restoration of works of | |
| 21390 | Artichoke hearts, prepared or preserved by vinegar or acetic acid, whether or not containing salt, spices, mustard, sugar or oil | |
| 01239 | Artichokes, Chinese, fresh or chilled | |
| 01239 | Artichokes, globe, fresh or chilled | |
| 01240 | Artichokes, Jerusalem, fresh or dried, whole or sliced | |
| 62343 | Articles for lighting, mail order retail trade services of | |
| 62143 | Articles for lighting, non-specialized store retail trade services of | |
| 62443 | Articles for lighting, other non-store retail trade services of | |
| 62543 | Articles for lighting, retail trade services of, on a fee or contract basis | |
| 62243 | Articles for lighting, specialized store retail trade services of | |
| 61143 | Articles for lighting, wholesale trade services of, except on a fee or contract basis | |
| 61243 | Articles for lighting, wholesale trade services of, on a fee or contract basis | |
| 62333 | Articles of clothing, mail order retail trade services of | |
| 62133 | Articles of clothing, non-specialized store retail trade services of | |