7
machines for processing fibrous material, namely machines for any of feeding, steaming, defibrating, screening, washing and/or bleaching; pumps; strainers; mixers; digesters; electric motors for machines; pulping machines; pulp presses; electric generators; gas and steam turbines; and oil, gas and air filters, all of the foregoing for use in the chemical, pulp and paper industries
9
electrical apparatus and instruments for the chemical, pulp and paper industries, namely electric and electronic controls for chemical recovery, pollution controls for chemical recovery, pollution control and energy generating plants; rectifiers, power and motor controls, generators, switches, circuit breakers; contorl unit for lighting, heating, steam generation, heat treatment, refrigertion, drying and ventilation for use int he chemical, pulp and paper industries; control unit for production of combustible gases and for monitoring such processes, all of the foregoing for use in the chemical, pulp and paper industries
11
chemical recovery plants, pollution control and energy generating plants, gasifiers, air blowers, heat exchangers, burners, boilers, scrubbers, and preheaters, all of the foregoing for use in the chemical, pulp and paper industries
37
construction and repair of pulp and paper plants and of chemical recovery, pollution control and energy generating plants for use in the chemical, pulp and paper industries