Some examples and use cases from the internet:

Some examples and use cases from the internet:

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• The protection of workers' health and safety has already been the subject of a number of directives in areas such as vibration, noise and electromagnetic fields.
• The Directive on Optical Radiation is meant to cover the fourth extremely important area after noise, mechanical vibrations and electromagnetic radiation.
• As you know, it was decided in 1999 to divide the original Commission proposal, which had applied to all of the four areas of vibration, noise, electromagnetic fields and optical radiation, into four individual proposals.
• Operation of the rail system must not give rise to an inadmissible level of ground vibrations for the activities and areas close to the infrastructure and in a normal state of maintenance.
• However, current helmets do not prevent the cranial vibrations which can be caused by a fall and fail to provide full protection for the temple area.
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• The total sound power radiated from a rail excited into vibration is the product of the radiation ratio (radiation efficiency) of the rail and the squared velocity amplitude summed over the radiating area.
• European conventional rail system must not give rise to an inadmissible level of ground vibrations for the activities and areas close to the infrastructure and in a normal state of maintenance.