Explanatory notes
… not exceeding 0.15 mm in thickness). The thinnest foils, used for imitation gilding, etc., are very flimsy; they are … paper and put up in booklet form. Other foil, such as that used for making fancy goods, is often backed with paper, … copper deposited on paper, plastics or other support, and used for printing book covers, hat bands, etc. ( heading …