When residents of Tainan City's Wanli district used to reclaim metals from electrical scrap, their activities caused serious pollution. But in fact by recovering valuable metals from what would otherwise have just been heaps of refuse, they were already practicing resource recycling.
過去，台南市灣裡地區居民回收處理廢五金，雖然造成嚴重汙染，其實也從一堆堆廢棄物中擷取出有用的貴金屬，已具有資源回收的觀念。