Name |
---|
Exploration |
Name |
---|
Mining and Extraction |
Name |
---|
Non-Conventional Energy Resources |
Name |
---|
Nuclear Energy |
Name |
---|
Preparation and Supply of Energy Source Materials |
Name |
---|
Renewable Energy |
Name |
---|
Other Energy Resources n.e.c. |
Name |
---|
Class |
Name |
---|
Ethnic |
Name |
---|
Immigrants |
Name |
---|
Middle Age Problems |
Name |
---|
Old Age Problems |
Name |
---|
Social Inequalities |
Name |
---|
Youth Problems |
Name |
---|
Other Social Problems n.e.c. |