| trin | |
| chem. | piso |
| construct. | escalón; grada; peldaño |
| earth.sc. mech.eng. | fase |
| el. | etapa |
| energ.ind. | punto de cambio de escalón |
| health. | placa de perforación |
| transp. | estribo |
| transp. construct. | escaleras |
|
1-trins : 5 phrases in 2 subjects |
| Electronics | 4 |
| Nuclear physics | 1 |