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Dirty Operating System
rude, abbr.	DOS

Dirty : 76 phrases in 23 subjects

Agriculture	1
Astronomy	1
Chemistry	2
Cultural studies	1
Electronics	4
Environment	4
Finances	4
General	33
Health care	1
Industry	2
Informal	2
Information technology	1
International Monetary Fund	4
Law	1
Mathematics	1
Mechanic engineering	1
Meteorology	2
Microsoft	4
Natural sciences	2
Security systems	1
Superconductivity	1
Transport	2
Work flow	1