Senior Explosives Officer of the GEO, Mr NG Siu-ming, says that blasting is necessary for many works projects in Hong Kong. An example is the relocation of Sha Tin Sewage Treatment Works to caverns in Nui Po Shan of A Kung Kok behind him.

Senior Explosives Officer of the GEO, Mr NG Siu-ming, says that blasting is necessary for many works projects in Hong Kong. An example is the relocation of Sha Tin Sewage Treatment Works to caverns in Nui Po Shan of A Kung Kok behind him.

Senior Explosives Officer of the GEO, Mr NG Siu-ming, says that blasting is necessary for many works projects in Hong Kong. An example is the relocation of Sha Tin Sewage Treatment Works to caverns in Nui Po Shan of A Kung Kok behind him.