With strict regulations in place to protect worker’s exposure to hand-arm vibration (HAV), professional grounds maintenance equipment manufacturer Dennis, are continually striving to improve their machines in recognition of the need to counteract harmful vibration. Vibration can damage blood vessels and nerves in the fingers, leading to a loss of feeling in the fingers and hands. It can cause the industrial disease ‘vibration white finger’ which, in extreme cases can make it too painful for workers to hold equipment.