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| rock wool; stone wool | |||
| rock wool A generic term for felted or matted fibers manufactured by blowing or spinning threads of molten rock, slag, or glass. The material is used for thermal insulation | |||
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laine de roche : 3 phrases in 3 subjects |
| Agriculture | 1 |
| Industry | 1 |
| Metallurgy | 1 |
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