At least the cause is water damage, which is caused by the release of waste water from households. Water and waste water solutions, the most popular is the water from household goods to watering the tree instead of leaves.
The reason is minimal waste water resulting from the discharge of sewage from households. Troubleshooting Guidelines wastewater is most commonly used to bring water from the household water the trees instead of the left.
The reason the least was the waste which is due for release in treatment of wastewater from household. Solutions to the problems of wastewater used most was to bring water from the household to tidy the trees instead of leaving