Most of the newly-added soil sources are urban renewal projects. Although they have been sorted and processed, there are still bricks and other construction waste in the incoming fill
The new soil source is mostly urban renewal project, although after picking and handling, but the in-house filling is still mixed with brick slag and other construction waste
Most of the newly added soil sources are urban renewal projects. Although they have been sorted out, they are still mixed with construction waste such as brick slag<br>