waste disposal services combustion wastes 4 fertilizers 2 recycling of wastes 2 biomass 1 cements 1 more ... house-hold wastes 1 effectiveness 1 economy 1 feeds 1 distilleries 1 illegal activities 1 odpadové hospodářství 1 fuels (chemistry) 1 risk 1 spalování odpadu 1 heat-generating plants 1 teaching aids 1 production 1 environmental pollution 1 modification 1 less ...