apparatus and installations for handling, incinerating and disposing of waste materials, handling and disposing of drums and containers of hazardous waste; pumps, especially pumps for handling solid materials such as waste pastes, contaminated solvents, oil sludge, flotation sludge, carbonate sludge, metal oxide pastes, black water, bilge water, municipal filter cake and raw sludge

consulting services for hazardous waste materials, waste and safety management planning, and economic studies all for others

REMEDIAL CONSTRUCTION OF SITES FOR THE PURPOSE OF ENVIRONMENTAL CONTROL AND MANAGEMENT