43.120Level 543.12Site preparation43.12001Earthworks: excavation, landfill, levelling of construction sites, trench digging, rock removal, blasting, etc.43.12002Site preparation for mining: overburden removal and other development and preparation of land and mining sites43.12003Lowering of the water table and drainage of construction sites43.12004Drainage of agricultural or forestry land43.12005Clearing of building sites43.12006Professional user of explosives (eg demolition of buildings, preparation of land or mining sites)43.12007Professional users of other pyrotechnic products (eg signalling device, signalling flares)