<prompt> Translate the following text to EnglishHii haionyeshi tu kwamba muundo haukuwa imara wakati utengenezaji wa awali ulipoanza, lakini pia inaonyesha kwamba kulikuwa na ukosefu mkubwa wa maarifa kuhusu muundo huo.  <response>: This uncertainty in the expected drawings not only indicates that the design was not stable when initial manufacturing began but also shows that there was a significant lack of knowledge about the design. 