 What we're going to show this time is the wind eight erosion demonstration. So we'll fill this with soil. The next thing we'll set up the blower. The first thing we're going to put on is a shut off. If you want to stop your wind, then all you have to do is close the dust collector. Before you start this, you want to make sure that your vacuum is blowing from the side that you hook up to the manifold and sucking from the side that's hooked up to the funnel. The manifold is also outfitted with a re-estat switch so that you can turn it on and off or you can slow the wind down and speed it up. You can plug the box into an outlet or to an extension cord so that you can get away from, if you need to be, a distance away from power and then the manifold plugs into the vacuum sweeper. That way you have control over your vacuum motor with the switch on top. I have a little stand that we'll put in front of the, we'll put over the top of the soil and show how much wind the wind is blowing and that just stands in front of it. The next thing we have with this is a piece of contact paper that's just the regular clean white contact paper. What we're going to use this for is to capture any kind of saltating particle that will be blowing off the pan because as you know there's a lot of soil movement but it doesn't always create dust. We're going to turn this over and we'll peel one corner back and we have clips for a picnic table that clip it on there so it stays in place. And once you have your paper secure you can go ahead and peel it back and pull it across the table. Yes, it's sticky styled. The next thing is we'll prepare the funnel. We have a cloth that's cut just to fit the front of the funnel and clamp it to the top of the funnel. You just lift the bottom portion of it and set it down on top of that. And once you have your soil in the pan this is ready to run. I have a small anonometer that you can show the wind speed so you'll run it for a short time then you'll have to trill your soil again because the soil will actually armor off all the dust will blow out of it all the light particles will blow out of it and then the heavy particles will be on the surface so it's going to armor off. So you may want to stop it, retill it as you would in a field because in a large field simulation this is a continuous thing there's new things that are introduced. Now you can take sand and put an impact on that. You can move your drizzle sand in the front of these to create that impact. I like to take a spray pan spray oil or something like that because it's all pretty fine dust and light particles that are coming off of this but if you put a spray pan or something on the front of that that will actually tackrify that dust that gives you a contrast and will actually show you how much more dust is coming off and actually sticking where that wet oily space is on that. So we'll turn the model on.