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English thesaurus | |||
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PERN |
Preliminary Engineering Release Notice : 16 phrases in 10 subjects |
Aviation | 5 |
Consulting | 1 |
Earth sciences | 1 |
Economy | 1 |
Electronics | 1 |
Engineering geology | 1 |
Hydroelectric power stations | 1 |
Metallurgy | 1 |
Technology | 3 |
Telecommunications | 1 |