| 2. | Reduce the use of timber by using alternative structural solutions ( e . g . metal hoarding , system form - work , metal form - work , semi - pre - cast flooring system , pre - cast roofing , dry walls and other structural means such as steel structural section , left - in formwork , etc . ) 改用其他结构方案(例如金属围板、标准化模板、金属模板、半预制楼板系统、预制天面、干墙及其他结构措施,如钢造结构架和内留的模板等) ,藉此减少使用木材 |