Links to all of the free downloadable guides, course details and other documents available on the INVC website:
The Fundamentals of Fan Noise
Tips to Fix your Fan Noise Problem
Remote Control of Fan Noise
Optimal Data Centre Noise Control
IOSH Noise at Work Risk Assessment & Management Course
IOSH HAVS Risk Assessment & Management Course
Top 10 noise Control Techniques
Open Source Template HAVS Tool Register