 |
tetraethyl | lead
| lead | |
| chem. | olovo |
| comp., MS | potenciálny zákazník |
| earth.sc. | grafitové |
| econ. | olovo |
| environ. | olovo |
| forestr. | smer pohybu lana |
| tetraethyl: 4 phrases in 1 subject |
| Chemistry | 4 |