SO

abbr.

SOS

: 253 phrases in 35 subjects

Agriculture	12
Astronautics	1
Chemistry	18
Coal	1
Communications	30
Construction	6
Demography	1
Earth sciences	4
Economics	2
Electronics	15
Environment	11
Finances	8
Fish farming pisciculture	2
General	14
Industry	24
Information technology	13
Insurance	6
International Monetary Fund	1
Law	5
Life sciences	7
Materials science	2
Mathematics	2
Mechanic engineering	14
Medical	6
Metallurgy	5
Microsoft	13
Natural sciences	2
Politics	1
Social science	3
Sound recording	1
Statistics	2
Technology	4
Telecommunications	1
Transformers	1
Transport	15