27101943 ------ With a sulphur content not exceeding 0,001?% by weight
85393220 --- Mercury or sodium vapour lamps
87116010 -- Bicycles, tricycles and quadricycles, with pedal assistance, with an auxiliary electric motor with a continuous rated power not exceeding 250 watts
84178030 -- Ovens and furnaces for firing ceramic products
28332100 -- Of magnesium