11. This checks for trip wires imperceptible from a safe distance. 12. The fuze has three prongs with a central post for attaching a trip wire . 13. Some are detonated by remote control, sensors or trip wire . 14. Microsoft may be the biggest company to cross this trip wire in recent memory. 15. Before he can further investigate, he sets off a trip wire , destroying the base. 16. Experts later discovered 10 freshly laid mines with trip wires . 17. They were of the most dangerous anti-personnel mine type and rigged with trip wires . 18. Bosnian Serbs said Thursday they were trying to plant trip wires for land mines. 19. Bosnian Serbs said Thursday that they were trying to plant trip wires for land mines. 20. One soldier was killed when he walked into a trip wire that was booby trapped.
