P Commodities > P.07 Metals > Metal > Scrap metal > Electronic waste

W Economic sectors > W.10 Trade > W.10.04 Trade in commodities and used materials > Scrap metal > Electronic waste

W Economic sectors > W.32 Waste management, eco-industries and recycling > W.32.02 Recycling > Scrap metal > Electronic waste

... > B Business economics > B.01 Management and business organization > B.01.06 Environmental management > Waste > Scrap metal > Electronic waste

P Commodities > P.07 Metals > Scrap metal > Electronic waste

W Economic sectors > W.32 Waste management, eco-industries and recycling > W.32.02 Recycling > Electronic waste