29214400 -- Diphenylamine and its derivatives; salts thereof
38109010 -- Preparations of a kind used as cores or coatings for welding electrodes and rods
61161020 -- Gloves impregnated, coated or covered with rubber
38259010 -- Alkaline iron oxide for the purification of gas
85013200 -- Of an output exceeding 750?W but not exceeding 75?kW