The Chief Waterworks Chemist of the Water Supplies Department (WSD), Mr KWOK Yau-ting, Kelvin, introduces a series of rigorous treatment processes to turn raw water into drinking water at the Sha Tin Water Treatment Works.

The Chief Waterworks Chemist of the Water Supplies Department (WSD), Mr KWOK Yau-ting, Kelvin, introduces a series of rigorous treatment processes to turn raw water into drinking water at the Sha Tin Water Treatment Works.

The Chief Waterworks Chemist of the Water Supplies Department (WSD), Mr KWOK Yau-ting, Kelvin, introduces a series of rigorous treatment processes to turn raw water into drinking water at the Sha Tin Water Treatment Works.