Above the tropopause is the stratosphere. This layer extends from an average altitude of 11 to 50 kilometers above the Earth's surface. This stratosphere contains about 19.9% of the total mass found in the atmosphere. Very little weather occurs in the stratosphere.
Cutting slate slabs does not have to be complicated; with standard tools and a suitable type of blade, you should be able to manage without a problem. Step 1 - Mark the Cutting Line and Mount the Slate Slab. Find the location on the slate slab that you want to cut and use a marker pen or pencil to draw a line across it.ou can also place it on top of two other slate slabs â anything to create a stable surface will do. The area of the slate slab marked by the pencil line should be places in the center between the two wooden or slate blocks. Step 2 - Cutting the Slate Slab. Get the circular saw and place a suitable blade in it.
The shouldered slate detail requires cutting of the top corners of the lower slates and fresh nail holes in the top slate closer to the centre of the slate. This detail requires less material and more site work. The slate hook fixing detail is the least secure and the hooks will be visible.he additional height of the second batten should be equal or slightly greater than the nominal thickness of the top course of slates. . It is common to see a 32x25mm tile batten turned on edge for the second batten, or a standard batten with an additional 6mm lath nailed to it, with a 6mm thick natural slate.