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au sol
construct.	floor
hobby	knockdown

au sol: 719 phrases in 49 subjects

Acridology	3
Agriculture	61
Antennas and waveguides	2
Astronautics	2
Athletics	2
Aviation	35
Chemistry	6
Coal	2
Communications	36
Construction	39
Demography	1
Earth sciences	14
Economy	4
Education	1
Electronics	7
Environment	16
Fish farming pisciculture	1
Football	1
Forestry	15
General	46
Geology	1
Gymnastics	16
Industry	3
Insurance	1
Labor law	5
Law	6
Life sciences	37
Loading equipment	2
Marketing	1
Materials science	1
Mechanic engineering	14
Medical appliances	2
Metallurgy	3
Name of organization	3
Natural resourses and wildlife conservation	11
Natural sciences	9
Nuclear physics	18
Paragliding	3
Politics	1
Power lines	1
Radio	2
Remote sensing	10
Research and development	1
Soil science	7
Technology	29
Telecommunications	1
Textile industry	1
Transport	231
United Nations	5