RIFF
| Format
| Riff | |
| environ. | arrecifes |
| life.sc. | arrecife; risco |
| Format | |
| gen. | formato |
| nat.sc. agric. | estampa |
| patents. | tamaño |
| transp. mech.eng. | lingotes; regletas |
| |||
| arrecifes m | |||
| arrecife m; risco m | |||
| escollo m | |||
|
RIFF : 4 phrases in 4 subjects |
| Agriculture | 1 |
| Earth sciences | 1 |
| Information technology | 1 |
| Scuba diving | 1 |