25171010 -- Pebbles, gravel, shingle and flint
72285040 -- Containing by weight 0,9?% or more but not more than 1,15?% of carbon, 0,5?% or more but not more than 2?% of chromium and, if present, not more than 0,5?% of molybdenum
04039031 ----- Not exceeding 1,5?%
52103200 -- 3-thread or 4-thread twill, including cross twill
60012200 -- Of man-made fibres