The picture shows the USDEV, Mr LIU Chun-san (centre), the Assistant Director/Electrical and Mechanical of the DSD, Mr CHUI Wai-sing (left), and the Assistant Director (Acting) of the WSD, Mr Roger WONG (right), visiting the final sedimentation tanks at the SWHSTW.

The picture shows the USDEV, Mr LIU Chun-san (centre), the Assistant Director/Electrical and Mechanical of the DSD, Mr CHUI Wai-sing (left), and the Assistant Director (Acting) of the WSD, Mr Roger WONG (right), visiting the final sedimentation tanks at the SWHSTW.

The picture shows the USDEV, Mr LIU Chun-san (centre), the Assistant Director/Electrical and Mechanical of the DSD, Mr CHUI Wai-sing (left), and the Assistant Director (Acting) of the WSD, Mr Roger WONG (right), visiting the final sedimentation tanks at the SWHSTW.

The picture shows the USDEV, Mr LIU Chun-san (centre), the Assistant Director/Electrical and Mechanical of the DSD, Mr CHUI Wai-sing (left), and the Assistant Director (Acting) of the WSD, Mr Roger WONG (right), visiting the final sedimentation tanks at the SWHSTW.