48171000 - Envelopes
72249031 ----- Containing by weight not less than 0,9?% but not more than 1,15?% of carbon, not less than 0,5?% but not more than 2?% of chromium and, if present, not more than 0,5?% of molybdenum
07145000 - Yautia (Xanthosoma spp.)
21011100 -- Extracts, essences and concentrates
85184000 - Audio-frequency electric amplifiers