"they must be able to demonstrate show that no hazards are involved" in German They must be able to demonstrate/show that no hazards are involved. Sie müssen nachweisen können, dass damit keine Gefahren verbunden sind. Detailed translations for "they must be able to demonstrate show that no hazards are involved" They must be able to demonstrate/show that no hazards are involved. They must be able to demonstrate/show that no hazards are involved. Sie müssen nachweisen können, dass damit keine Gefahren verbunden sind.