<prompt> Translate the following text to EnglishKwa sababu ya juhudi zake za kupima, ARL ilianzisha viwango vya huduma ya wateja na kutuma tafiti kwa wateja wake ili kupata maoni juu ya ubora wa kazi yake.  <response>: measurement efforts, ARL established customer service standards and sent surveys to its customers to obtain feedback on the quality of its work. 