ChemistsPhysicistsPhysical Scientists Not Elsewhere ClassifiedPhysical Science TechniciansEngineers, Specialisation UnknownArchitects and Town PlannersCivil EngineersElectrical and Electronics EngineersMechanical EngineersChemical EngineersMetallurgistsMining EngineersIndustrial EngineersEngineers Not Elsewhere ClassifiedSurveyorsDraughtsmenTechnicians, Specialisation UnknownCivil Engineering TechniciansElectrical and Electronics Engineering TechniciansMechanical Engineering TechniciansChemical Engineering TechniciansMetallurgical TechniciansMining TechniciansEngineering Technicians Not Elsewhere ClassifiedAircraft Pilots, Navigators and Flight EngineersShips' Deck Officers and PilotsShips' EngineersBiologists, Zoologists and Related ScientistsBacteriologists, Pharmacologists and Related ScientistsAgronomists and Related ScientistsLife Sciences TechniciansMedical DoctorsMedical AssistantsDentistsDental AssistantsVeterinariansVeterinary AssistantsPharmacistsPharmaceutical AssistantsDietitians and Public Health Nutritionists