Because of this, up until today, there is no technology that can "recycle" and prevent such pollution from heavy metals. The only alternative is to minimize wastage, such as by cutting out the use of leaded gasoline.
因此，直到今天，幾乎所有重金屬的水汙染防治，都無法由技術層面較高的「回收」來防範；只能由「減廢」來預防，例如將含鉛汽油改為無鉛汽油。