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NASA, abbr. ON
Operational
: 108 phrases in 21 subjects
Accounting1
Chemistry1
Communications2
Economics6
Electronics2
Finances5
General20
Health care3
Hobbies and pastimes1
Immigration and citizenship3
Information technology35
Law2
Life sciences1
Mathematics1
Medical3
Microsoft2
Nuclear and fusion power3
Obsolete / dated2
Programming1
Reliability1
Transport13

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