| |||
| kaksielementtinen rajoite (A constraint that applies to two elements, such as two classes or two associations. The constraint is shown as a dashed arrow from one element to the other, labeled by the constraint string in braces ({ })) | |||
|
2 : 3 phrases in 3 subjects |
| Agriculture | 1 |
| Communications | 1 |
| Information technology | 1 |