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voler v
gen.	fly
chem.	to fly
volant v
industr., construct.	fly
transp.	wheel

voler: 406 phrases in 40 subjects

Agriculture	24
Chemistry	1
Coal	9
Communications	9
Construction	9
Criminal law	10
Earth sciences	8
Electronics	17
Energy industry	4
Environment	6
Finances	2
Fish farming pisciculture	8
General	39
Health care	1
Human rights activism	1
Industry	21
Informal	2
Information technology	2
Insurance	2
Labor law	1
Law	6
Life sciences	3
Literature	1
Marketing	1
Materials science	2
Mechanic engineering	51
Medical	2
Metallurgy	8
Microsoft	3
Municipal planning	2
Natural resourses and wildlife conservation	5
Natural sciences	6
Paragliding	4
Politics	11
Proper and figurative	1
Scientific	1
Social science	1
Technology	18
Transport	97
Zoology	7