Making progress on a building project is exciting, but it's important to start off on the right foot. It is very important to test residential soil and classify sites in the Mornington Peninsula area of Australia, where different types of soil and natural factors are at play. This keeps houses safe and stable. In Australia, The 4 Spheres is a well-known and trusted company that tests soil and sorts places into groups. They help homeowners and businesses with this important process in many ways.