GERMAN COMPANY Rud is introducing its Barriertech system, which it says is capable of stopping rocks, slides and avalanches. "Barriertech can protect highways and rail tracks from stray boulders and 'catch' landslides and avalanches before they can overwhelm the terrain and structures in their path," says the company. "Whether natural occurrences or man-made, rock falls, landslides and avalanches can be sudden and catastrophic for people and property. "No wonder that across the world, much time, money and e