Great white sharks. Trophic Pyramid Information that is in video: An ecological pyramid (also trophic pyramid, energy pyramid, or sometimes food pyramid) is a graphical representation designed to show the biomass or biomass productivity at each trophic level in a given ecosystem.
The risk is that you may not be able to remove all the acid and if it is left on the metal it will continue to corrode the metal. So to give you a quick answer, you can use vinegar to etch the aluminum, but you have to rinse the surface thoroughly to remove all the acid residue.
Instructions. Place all of the appropriate safety gear on your body; acid is a corrosive, and can burn any exposed skin. You may also want to wear old clothing, as acid can damage and eat holes in it as well. Place the aluminum you are cleaning on a solid surface, such as concrete or asphalt.Acid will kill any vegetation.Thoroughly wash down the aluminum and the surrounding ground area with water.ips & Warnings. 1  Acid should only be used to clean plain aluminum surfaces. 2  Never attempt to clean a painted surface or one that is covered in decals. 3  The acid will remove the paint or the adhesive that is holding the decals to the aluminum surface. 4  Follow the manufacturer's directions to dispose of all acid products.