User:Hfrohlich~enwiki Humberto Fröhlich This user is Brazilian. Areas of InterestEngineering Science Technology Electronics / Microelectronics History Music Aviation Boating Cooking Brewing ptEste usuário/utilizador tem como língua materna o português. en-3This user can contribute with an advanced level of English. es-3Este usuario puede contribuir con un nivel avanzado de español. de-2Dieser Benutzer hat fortgeschrittene Deutschkenntnisse. List of contributions from user hfrohlich to Wikipedia.
