Engineer (Project Management) of the Drainage Services Department (DSD), Mr KONG Hiu-lam, Raymond, says that in the "Rehabilitation of Trunk Sewers in Tuen Mun", the DSD has used three robots – "Lung Mun Three Brothers" – to assist in desilting and rehabilitation of box culverts.

Engineer (Project Management) of the Drainage Services Department (DSD), Mr KONG Hiu-lam, Raymond, says that in the

Engineer (Project Management) of the Drainage Services Department (DSD), Mr KONG Hiu-lam, Raymond, says that in the "Rehabilitation of Trunk Sewers in Tuen Mun", the DSD has used three robots – "Lung Mun Three Brothers" – to assist in desilting and rehabilitation of box culverts.