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.
With resin slates that are a bit thicker than fibre cement slates, and will flex slightly less in their length, there is no copper disc rivet fixing, so when the head of the slate is cut off and the top slate is head-nailed, there is nothing but the weight of the ridge tiles or the flashing to hold the slate down.he batten that is located under the top edge of the slate is positioned about 25mm down from the top edge of the top of the slate so that it can only be seen in the V-shaped spaces between the slates. The top course of slates should now be cut such that the top edge finishes flush with the top of the slate below.