noise rating: 24 phrases in 15 subjects |
Acoustics | 5 |
Aviation | 1 |
Construction | 3 |
Ecology | 2 |
Energy industry | 1 |
Household appliances | 1 |
Medical | 1 |
Metrology | 2 |
Military | 1 |
Natural resourses and wildlife conservation | 1 |
Occupational health & safety | 2 |
Technology | 1 |
Telecommunications | 1 |
Telephony | 1 |
Wood processing | 1 |