<prompt> Translate the following text to EnglishCummins, kiongozi wa mauzo ya dunia katika injini za dizeli zaidi ya 200 horsepower, hutumia prototypes kwa ufanisi kuhakikisha kwamba muundo ni imara na anaamini katika thamani ya prototyping katika maendeleo ya bidhaa.  <response>: Cummins, the world sales leader in diesel engines over 200 horsepower, effectively uses prototypes to ensure that a design is stable and believes in the value of prototyping throughout product development. 