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| roller burnishing | |||
| black finishing; browning; burnishing; polish; polishing; blueing; bronzing | |||
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| alkaline blackening of ferrous metals; black finishing of non-ferrous metals | |||
| brunitura: 9 phrases in 6 subjects |
| Chemistry | 1 |
| Electronics | 1 |
| Metallurgy | 2 |
| Municipal planning | 3 |
| Natural sciences | 1 |
| Transport | 1 |