<prompt> Translate the following text to EnglishViwanda vyake vilikuwa kuuza nje mbao nyekundu na rangi za indigo na bluu ya Prussia, ambazo zilikuwa na thamani sana nchini Uingereza.  <response>: Its industry was the export of red logwood and the dyes of indigo and Prussian blue, which were extremely valuable in Britain. 