•Section A-1: Human Necessities I. (e.g. Agriculture,
foodstuffs, personal or domestic articles)
•Section A-2: Human Necessities II. (e.g health, amusement,
sports, games etc.)
•Section B: Performing Operations, Transporting
•Section C: Chemistry, Metallurgy
•Section D: Textiles, Paper
•Section E: Fixed Constructions
•Section F: Mechanical Engineering, Lighting, Heating and
Weapons
•Section G-1: Physics I. (e.g. Instruments, photography, cinematography, musical
instruments, nucleotics etc.)
•Section G-2: Physics II. (e.g. Contolling, computing, computer software that have
strictly technical application, educating)
•Section H: Electricity