Uploaded on 2014-12-01 by MarjorieMa
As a global material natural slate originates to 90% from the slate industries in Spain and Brazil.![enter image description here][1] [1]: https://edxuploads.s3.amazonaws.com/14174407717981901.jpg
Uploaded on 2014-12-01 by MarjorieMa
As a global material natural slate originates to 90% from the slate industries in Spain and Brazil.![enter image description here][1] [1]: https://edxuploads.s3.amazonaws.com/14174407717981901.jpg