4. If there is any problem, click red to reject. The yellow block’s color will turn into grey.
Comment that what are the matters in the block.
If there is no problem, click green for completion. The blocks color will turn into green.
5. An example and the reason
of that should be reject
It is had to be defined
what the building belongs to.
Unless it is done,
it will stay just a polygon.
It is also need correcting right angles