9 Signaling, measuring and checking (supervision), rescue (life-saving) apparatus and instruments, personal protection devices against accidents, nets and stuffing for protection against accidents for ski slopes, pylons, snow cannons and leisure areas, safety harnesses (other than for vehicles or sports equipment), luminous or mechanical signals; protection and safety devices against accidents for leisure and sports areas; mattresses for protection against accidents for ski slopes, pylons, snow cannons and leisure areas and protection nets; apparatus and instruments for life-saving; radio cases; software; computer software for monitoring and triggering avalanches; apparatus for triggering avalanches.