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hélium m
food.ind. helium
hélium: 63 phrases in 22 subjects
Astronomy1
Automated equipment2
Chemistry3
Construction1
Earth sciences7
Electronics1
Environment1
General7
Health care1
High energy physics9
Industry1
Measuring instruments1
Medical3
Medical appliances3
Metallurgy1
Natural resourses and wildlife conservation1
Natural sciences1
Nuclear and fusion power1
Nuclear physics4
Physical sciences6
Superconductivity4
Technology4