<prompt> Translate the following text to EnglishKwa mfano, mkataba unaweza kuhitaji kwamba kompyuta inafanya kazi kwa mafanikio kwa siku 30 mfululizo kutoka kipindi cha majaribio cha siku 90.  <response>: For example, the contract may require that a computer operate successfully for 30 consecutive days out of a 90-day test period. 