Assertion: sail | /r/HasProperty | constructed by prior art methods
Facets:
Source sentences:
text: By disposing the yarns in a predetermined fashion along the known major average stress lines in the total sail, with the yarns also following the curvature or draft in the body of the sail body, it is possible to construct a sail having optimum strength characteristics for a wide range of conditions, as well as a higher strength to weight ratio, particularly in comparison with sails which have been constructed by prior art methods.