The corrugated medium and linerboard board are made of kraft containerboard, a paperboard material usually over 0.01 inches (0.25 mm) thick.
The panels contain cells made in China, Taiwan and, sometimes, Germany. Grape still plans to import inexpensive Chinese-made cells, and to buy Oregon-made inverters -- which convert direct current to alternating current -- for the panels it assembles in Eugene.
Grapefruit is a large subtropical citrus fruit generally recognized for its slightly bitter and sour taste. It was first produced in Barbados as a hybrid fruit that resulted from a cross between pomelo and sweet orange. Grapefruit was named after the grape, because grapefruits grow in clusters like grapes.