United Arab Emirates Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Tanzania was US$30 during 2021, according to the United Nations COMTRADE database on international trade. United Arab Emirates Exports of pebbles, gravel, flint, macadam of slag, tarred macadam to Tanzania - data, historical chart and statistics - was last updated on June of 2024.