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operation continuous
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chem.
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operation continuous
:
56 phrases
in 19 subjects
Automobiles
2
Business
1
Chemistry
4
Communications
2
Compressors
1
Ecology
1
Electric machinery
4
Electronics
6
Information technology
1
Management
2
Metallurgy
9
Oil / petroleum
1
Rail transport
1
Scientific
1
Space
2
Steel production
1
Technology
13
Telecommunications
1
Wind Energy
3
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