Sydney Tree Surgeon
The reason why you need to do this is to improve the health of the trees. Trees are important because they provide shade.
You can improve the health of the trees by trimming them. This can prevent them from getting diseases and insects.
If you need to remove a large tree, you may need to get a permit to do it. You can ask your neighbors for the address of the nearest tree service company. You can also search the Internet to find a tree service company.