37 Environmental services, namely, hazardous and non-hazardous waste disposal and cleaning service for others; cleaning and recycling services, namely, removing, cleaning and replacing solvents in parts washers used in service, maintenance, repair and manufacturing facilities; removing waste solvent and solvent filters; cleaning and recycling industrial solvents used in the dry cleaning industry; removing, removing and disposing of waste paint and paint thinners; leasing of cleaning apparatus for cleaning mechanical parts and components and periodic renewal of solvent furnished with the apparatus