| Section A: |
Human Necessities E.g. Agriculture, Foodstuff; Personal or domestic articles |
| Section B: |
Performing Operations; transporting E.g. Physical or chemical processes or apparatus in general; Hand cutting tools; Vehicles in general |
| Section C: |
Chemistry; Metallurgy E.g. Inorganic & Organic Chemistry; treatment of water, wastes etc |
| Section D: |
Textiles; Paper E.g. Yarns; treatment of textiles; Paper making |
| Section E: |
Fixed Constructions Construction of roads, railways or bridges; Hydraulic engineering |
| Section F: |
Mechanical Engineering; Lighting; Heating; Weapons; Blasting E.g. Machines or engines in general |
| Section G: |
Physics E.g. Optics; Photography; Horology; Nuclear Physics; Nuclear engineering |
| Section H: |
Electricity E.g. Basic Electric elements; Electric Communication Techniques |