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ciel int.
astr.	Firmament
construct.	Baldachin; Himmel
met.	Firste; Dach

ciel: 248 phrases in 41 subjects

Agriculture	5
Amphibians and reptiles	10
Astronomy	25
Chemistry	1
Coal	5
Communications	1
Construction	33
Earth sciences	2
Electronics	4
Employment	2
Environment	4
Finances	2
Fish farming pisciculture	9
General	18
Glass production	2
Health care	3
Hobbies and pastimes	1
Human rights activism	1
Ichthyology	5
Industry	3
Labor law	4
Law	3
Life sciences	30
Lighting other than cinema	5
Marketing	1
Materials science	1
Mechanic engineering	1
Medical	4
Metallurgy	20
Mining	2
Municipal planning	1
Natural resourses and wildlife conservation	9
Natural sciences	1
Nuclear physics	3
Ornithology	3
Paragliding	1
Politics	1
Social science	1
Technology	1
Transport	19
Zoology	1