<prompt> Translate the following text to SwahiliOwners, the government included, traditionally have maintained some level of internal facility planning and design oversight capability to ensure that new facilities acceptably balance the factors of cost, schedule, quality, and performance.  <response>: Wamiliki, serikali pamoja, kwa kawaida wamehifadhi kiwango fulani cha ndani ya kituo cha mipango na kubuni uwezo wa usimamizi ili kuhakikisha kwamba vifaa vipya kukubaliana kusawazisha mambo ya gharama, ratiba, ubora na utendaji. 