<prompt> Translate the following text to EnglishKatika uhandisi pekee, kuna uhifadhi wa asilimia 10-15 katika uhandisi na usimamizi wa mradi wa kazi, kwa kawaida hutambuliwa wakati wa kufunga vitengo vingi vya muundo sawa.  <response>: In engineering alone, there is a 10-15 percent savings in engineering and project management labor commonly realized when installing multiple units of similar design. 