<prompt> Translate the following text to EnglishSehemu ya juu inaonekana kama diski, iliyofanyizwa kwa mbao ngumu yenye kifungo cha chuma cha msumari katikati na ukingo wa risasi.  <response>: The top looks somewhat like a discus, made of hardwood with a steel knob of spike in the center and a lead rim. 