28112910 --- Sulphur trioxide (sulphuric anhydride); diarsenic trioxide
29221800 -- 2-(N,N-Diisopropylamino)ethanol
40103100 -- Endless transmission belts of trapezoidal cross-section (V-belts), V-ribbed, of an outside circumference exceeding 60?cm but not exceeding 180?cm
83012000 - Locks of a kind used for motor vehicles
80011000 - Tin, not alloyed