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When a tennis courtroom floor loses the bond to its substrate an air pocket can variety and cause a ‘dead spot’. This is what that appears like. — raw

When a tennis court surface loses the bond to its substrate an air pocket can form and cause a 'dead spot'. This is what that looks like.

When a tennis court docket surface loses the bond to its substrate an air pocket can variety and cause a ‘dead spot’. This is what that appears like. – now