Explanatory notes
… (military, sporting, scientific, publicity, etc.). These comprise balloons , free or captive (i.e., moored to the … in the same way as captive balloons and may be used, for example, to carry meteorological instruments. Kites clearly … models, whether or not built accurately to scale, used, for example, for decoration (e.g., heading 44.20 or 83.06 ), for …