fresh water solution / hand-held tools / chemical waste disposal / chemical wastes / chemical waste control / machinery / cement mortar / project site / mortar/cement fillings / chemical waste / waste chemical / hand-held power tools / chemicals / /
Organization
Middle Hall / Environment / Transport and Works Bureau / Project Proponent Leisure and Cultural Services Department / Antiquities and Monuments Office / Qing government / Architectural Services Department / Monuments Office / Antiquities Authority / Cultural Services Department / /