Found in phrases

directly : 66 phrases in 24 subjects

Agriculture	6
Chemistry	1
Commerce	1
Communications	1
Earth sciences	3
Economics	6
Electric traction	1
Electricity generation	1
Electronics	9
Energy industry	1
Finances	2
Forestry	1
General	4
Health care	10
Industry	1
Law	6
Marketing	2
Mechanic engineering	2
Medical	1
Municipal planning	1
Power lines	1
Radiology	3
Superconductivity	1
Vacuum tubes	1