A: Mechanics – Engines – Machinery – Tools – Industrial processes – MetallurgyV: Protection of the environment – RecyclingK: Agriculture – Horticulture – GardeningC: Electronics – Electricity – Methods of communication – Electrical networkM: Medicine – Surgery – Orthopaedics – Material for disabledQ: Foodstuffs – Drinks – Cosmetics – Paramedical – Health – Hygiene