Editing Billiard table (section)

===Bed===
For tournament competition under WPA world-standardized rules (and league play under derived rulesets), the bed of the pocket billiard table must be made of slate no less than {{convert|1|in|cm|sigfig=3}} thick. The flatness of the table must be divergent by no greater than {{convert|0.02|in|mm}} lengthwise and {{convert|0.01|in|mm}} across the width.<ref name="WPA Tournament Table and Equipment Specifications"/>