Sports hall exactly as required There‘s a state of emergency in the Bun- desliga game at the Sparkassen Arena Balingen. When several thousand fans in the stands cheer on their successful Hand- ball Bundesliga club HBW, the players and crowd can reasonably expect the lighting in the sports hall to be up to competition standards. And the question of who turns off the lights after the big match is would be banal. But the sports facility bu

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