| http://www.w3.org/ns/prov#value | - disclaimers displayed on auto-racing tickets, which are designed to inform buyers of potential dangers and waive any personal injury liability.Spokespeople for Daytona International Speedway, International Speedway Corporation and NASCAR did not respond to requests for comment for this story.About 30 spectators were injured when the crash propelled debris, including at least one tire, through and
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