Gallery | Singapore Society for Trenchless Technology

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Sewer & MH

Cleaning

29 July 22

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Leak Detection Training

01 July 22

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AGM - 27 May 2022

CCTV Pt 1 Training 17-18 March 2022

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Leak Detection Training 07 January 2022

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10 Year Lunch 29 November 2019

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