INDUSTRY|mechanical engineering|machinery|engine · ENVIRONMENT|deterioration of the environment|nuisance|pollutant|atmospheric pollutant|greenhouse gas
INDUSTRY|mechanical engineering|machinery|engine · ENVIRONMENT|deterioration of the environment|nuisance|pollutant|atmospheric pollutant|greenhouse gas
PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations|biotechnology · ENERGY|energy policy|energy policy · ENERGY|soft energy|soft energy