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shaped piece | |||
line fittings; pipe fitting; shape block; special; special brick shape; refractory special; fitting; shape | |||
refractory shape |
pièce de forme: 14 phrases in 6 subjects |
Agriculture | 7 |
Construction | 2 |
Finances | 1 |
General | 2 |
Materials science | 1 |
Metallurgy | 1 |