1.   Self-policing and snowmobile education courses are the best hope to handle the safety issue, says Reynolds.

2.   Still, the severity of air crashes, no matter how rare, makes the safety issue one of constant concern.

3.   Ford maintains there is no defect or safety issue, and says that cars can stall for any number of reasons.

4.   In Kandahar, disappointed residents speculated that it may have been a safety issue as much as a health concern.

5.   Nuclear safety issues, prevention of the nuclear pollution of the sea, safe dismantlement of nuclear weapons and prevention of smuggling and illicit traffic in nuclear materials.