<prompt> Translate the following text to SwahiliIts centerpiece is the right-angled triangle, Samrat Yantra the Supreme Instrument, with a dome acting as a sun-dial, accurate to half a second.  <response>: Kituo chake kikuu ni pembetatu yenye pembe moja, Samrat Yantra Chombo cha Juu, na dome inayofanya kazi kama saa ya jua, sahihi hadi nusu sekunde. 