[Main criteria for the occupational licensure of individualized hand protection against local vibration].

Hygienic certification of individual means protecting hands against local vibration requires special laboratory and industrial studies considering specific preset criteria. The criteria choice should consider functional state of major body systems involved and capacity to work in specific industrial process. For manually operated machines, the criteria are set within the limits of mutual influence in the system: manually operated machine (its vibration strength characteristics)--operator (state and changes of his major physiologic functions)--occupational environment (peculiarities).