David Pires from PLEXUS attended a workshop on Industry 4.0 automation systems in hazardous areas held on May 23, 2017 in Casa do Medico de Sao Rafael in Sines, Portugal. The workshop included general sessions as well as specialized sessions on automation interfaces and systems, HMI systems, and camera systems led by directors and managers from R. STAHL Schaltgerate GmbH. A certificate of participation was issued on behalf of R. STAHL Schaltgerate GmbH.