On February 14, the headquarters of Dahlberg SA hosted the “Technical and commercial course on sewage systems” taught by Rosa Dahlberg as Product Manager. . The company, a pioneer in Spain in teaching courses on this topic, wanted to share in this way its knowledge and years of experience in the installation, repair and maintenance of this type of systems. Professionals from the sector attended the event and highly valued the contents of the course, which was divided into three main thematic blocks: marine sanitation systems, vacuum and electric toilet technology, and service.