37
Commissioning, servicing and maintenance of reactors, refineries and of structures for the processing of petroleum and petrochemical products; Loading and emptying of reactor catalysts, loading and emptying of inert materials in reactors; Design, installation, operation and maintenance of catalyst loading devices for use in the chemical, petrochemical and oil refining industries; Design and installation of inserts for heat exchangers for use in the chemical, petrochemical and oil refining industries; None of the above services are related to service stations and petrol stations, nor to the supply of fuels or petroleum or petrochemical products for the automotive industry
42
Evaluations, valuations and research in the scientific and technological fields carried out by engineers in the field of catalyst processing, catalyst residues, loading and emptying of reactors; Technical advice and assistance and engineering works and consultancy relating to the oil refining, hydrocarbon and petrochemical industry; Technical surveying and consultancy relating to the processing of petroleum and petrochemical products; Technical know-how and consultancy relating to the loading and withdrawal of catalytic convertors and inert materials; Research and development services in the chemical, petrochemical and oil refining fields; Evaluations, valuations, consultations, works, surveying and research in the scientific and technological fields carried out by engineers in the field of infrared thermography; Technical advice and assistance relating to infrared thermography; Analysis, research and development in the field of infrared thermography; None of the above services are related to service stations and petrol stations, nor to the supply of fuels or petroleum or petrochemical products for the automotive industry