Clay milk, white substance, slightly yellowish and sweet, and it is also called the rough valve. Cotoneaster, Ash goals achieved and naturally the bite of an insect called Cicata orni that exist in the area, a small amount of it and the terms "we", the tree outside, but can be caused by gaps in create the tree trunk, milk, clay extracted in large quantities commercially. It should be noted that Ash goals in climate and their habitats enough Cotoneaster. But outside of that environment, if planted, it grows and grows, but the mining "our" may be less noticeable .