<prompt> Translate the following text to EnglishMwingine alijua yote kuhusu kuchimba mifereji na wa mwisho alikuwa mhandisi wa umeme - uwanja ambao Dave alikuwa na uwezo zaidi.  <response>: Another knew all about dredging canals and the last one was an electronics engineer--a field in which Dave was far more competent. 