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Visit to Shatin sewage treatment division and water testing laboratory of Drainage Service Department

04 Nov 2019

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Visit to Shatin sewage treatment division and water testing laboratory of Drainage Service Department - Photo - 1
Visit to Shatin sewage treatment division and water testing laboratory of Drainage Service Department - Photo - 3
Visit to Shatin sewage treatment division and water testing laboratory of Drainage Service Department - Photo - 5