| chalk | |
| gen. | greda; tiza |
| coal. | creta |
| cultur. | dibujo a lápiz |
| environ. | yeso; yeso; caliza |
| food.ind. chem. | carbonato cálcico; carbonato de calcio; Pigmento blanco CI nº 18 |
|
phosphated : 8 phrases in 4 subjects |
| Chemistry | 2 |
| Coal | 2 |
| Food industry | 2 |
| Metallurgy | 2 |