<prompt> Translate the following text to EnglishKampuni tulizotembelea zilijaribu kuimarisha uaminifu wa bidhaa kupitia vipimo hivi na zilitaka uthibitisho kwamba bidhaa hiyo itakidhi matarajio ya uaminifu wa mteja kabla ya kufanya uamuzi wa uzalishaji.  <response>: Companies we visited matured a products reliability through these tests and demanded proof that the product would meet the customers reliability expectations prior to making a production decision. 