L: Clothing – Textiles – Machines and accessoriesA: Mechanics – Engines – Machinery – Tools – Industrial processes – MetallurgyW: Hardware – Software – Cybersecurity – Blockchain – Internet of things (IoT)C: Electronics – Electricity – Methods of communication – Electrical networkP: Transport – Moto vehicles – Ships – Aviation – AccessoriesD: Building – Architecture – Civil Engineering – Construction – Materials – WoodworksZ: Energy – Renewable and green energy