Explanatory notes
… must be capable of fulfilling simultaneously the conditions laid down in Note 6 (A) to this Chapter. That is to say, … of a number of interconnected separate units. In the latter case, the units form a “system” when it comprises at … Notes 6 (D) and (E) to this Chapter. In accordance with the last paragraph of Note 6 (C) to this Chapter, keyboards, X-Y …Synonyms
… laptop … desktop …