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consulting and related technical support services and financial support services, namely preparation and evaluation of plans for installation of electrical equipment, systems, and machines which use electricity; installation of electrical equipment, systems, and machines which use electricity; financing assistance for all types of electrical equipment, systems, and machines which use electricity; consulting and related technical support services and financial support services, namely for analysis and design of electrical equipment, systems and machines which use electricity, namely machines for heating, ventilating, air conditioning, waste water treatment, and environmental control machines; consulting related to selection and use of industrial and commercial processing equipment which use electricity; consulting related to the selection and formation of agreements for periodic maintenance and repair of said equipment