On the Open Days held at the Sha Tin Sewage Treatment Works last month, DSD presented prizes to winners of the first Manhole Cover Design Competition held earlier.
On the Open Days held at the Sha Tin Sewage Treatment Works last month, DSD presented prizes to winners of the first Manhole Cover Design Competition held earlier.
On the Open Days held at the Sha Tin Sewage Treatment Works last month, DSD presented prizes to winners of the first Manhole Cover Design Competition held earlier.
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