information:filtering, structural:expansion
Activity consisted mainly of foods like fish, squash, yams, corn, honey, beans, turkey, vegetables, salt, chocolate drinks; raw materials such as limestone, marble, jade, wood, copper, and gold; and manufactured goods such as paper, books, furniture, jewelry, clothing, carvings, toys, weapons, and luxury goods. The Maya also had an important services sector, through which mathematicians, farming consultants, artisans, architects, astronomers, scribes and artists would work. Some of the richer merchants also sold weapons, gold and other valuables. Specialized craftsmen created luxury items and devices to overcome specific problems, usually by royal decree.