| Building of ships and boats |
2 |
1 |
| Manufacture of air and spacecraft and related machinery |
2 |
1 |
| Manufacture of alcoholic beverages |
2 |
1 |
| Manufacture of bakery and farinaceous products |
2 |
1 |
| Manufacture of basic iron and steel |
2 |
1 |
| Manufacture of cement, lime, plaster and articles of concrete, cement and plaster |
3 |
1 |
| Manufacture of dairy products |
2 |
1 |
| Manufacture of dyestuffs, agro-chemicals |
2 |
1 |
| Manufacture of fabricated metal products, excluding weapons and ammunition |
2 |
1 |
| Manufacture of glass, refractory, clay, porcelain, ceramic, stone products |
3 |
1 |
| Manufacture of grain mill products, starches and starch products |
2 |
1 |
| Manufacture of industrial gases, inorganics and fertilisers (inorganic chemicals) |
2 |
1 |
| Manufacture of other basic metals and casting |
2 |
1 |
| Manufacture of other chemical products |
2 |
1 |
| Manufacture of other food products |
2 |
1 |
| Manufacture of other transport equipment |
2 |
1 |
| Manufacture of paints, varnishes and similar coatings, printing ink and mastics |
2 |
1 |
| Manufacture of petrochemicals |
2 |
1 |
| Manufacture of prepared animal feeds |
2 |
1 |
| Manufacture of soap and detergents, cleaning and polishing, perfumes and toilet preparations |
2 |
1 |
| Manufacture of soft drinks; production of mineral waters and other bottled waters |
2 |
1 |
| Manufacture of vegetable and animal oils and fats |
2 |
1 |
| Manufacture of weapons and ammunition |
2 |
1 |
| Processing and preserving of fish, crustaceans, molluscs, fruit and vegetables |
2 |
1 |
| Processing and preserving of meat and production of meat products |
2 |
1 |
| Repair and maintenance of aircraft and spacecraft |
2 |
1 |
| Repair and maintenance of ships and boats |
2 |
1 |
| Rest of repair; installation |
2 |
1 |