date:Aug 14, 2012
of our previous study that an opening diameter of 33m is optimum for young Japanese adults.
Thus, we confirm that the proposed function is accurate; it can be used to design bottle openings to suit consumers of various age groups and types of beverage,the authors wrote.
Beverage manufacturers should optimise bottle opening dimensions according to beverage type, Chihara and Yamazaki wrote, and important variables such as height that affected preference.
One weakness of the study was an over-de