<prompt> Translate the following text to EnglishRatiba za wafanyakazi huanzishwa, ama kupitia ratiba za kazi zilizowekwa na usimamizi au kwa makubaliano ya pamoja kati ya wafanyakazi na usimamizi.  <response>: Employees schedules are established, either through management designated work schedules or by mutual agreement between employees and management. 