| |||
carbon; decolorizing carbon; decolorizing charcoal | |||
active carbon; active charcoal | |||
activated charcoal | |||
activated carbon |
carvão ativado : 17 phrases in 6 subjects |
Chemistry | 5 |
Electronics | 2 |
Environment | 5 |
General | 2 |
Mechanic engineering | 2 |
Transport | 1 |