It is not recommended to mix expanded clay and clay plant granules together. Expanded clay is a lightweight, porous material used for aeration and drainage in soil, while clay plant granules are typically used for moisture retention and as a soil amendment. Mixing these two types of materials together can result in an inconsistent soil structure and may not provide the intended benefits for plant growth. It's best to use each material separately for their specific purposes in soil composition. **

When designing a terrace on soft clay soil, it is important to take into consideration the potential for soil movement and settling. To address this, it is essential to conduct a thorough soil investigation to understand the soil's characteristics and behavior. Additionally, the terrace design should incorporate proper drainage systems to prevent water accumulation and soil saturation, which can lead to further soil movement. Furthermore, using lightweight construction materials and techniques, such as helical piers or soil stabilization methods, can help mitigate the potential impact of the soft clay soil on the terrace structure. **

No, this is not clay. **

Clay is not inherently waterproof, as it is a porous material that can absorb water. However, clay can be made waterproof by firing it in a kiln at high temperatures, which causes the clay particles to fuse together and create a waterproof barrier. Additionally, clay objects can be glazed to make them waterproof by adding a layer of glass-like material that seals the surface. **

Regular lava clay is typically a dark grey or brown color due to its high iron content, while white lava clay is a lighter color due to lower iron content. White lava clay is also known for its higher purity and gentler properties, making it suitable for sensitive skin types. Both types of clay are formed from volcanic ash and have similar benefits for the skin, such as detoxifying and exfoliating properties. **

Yes, clay vessels can be made waterproof by firing them at high temperatures, which causes the clay to harden and become impermeable to water. Additionally, a glaze can be applied to the surface of the clay vessel to further enhance its waterproofing properties. Overall, with the right techniques and processes, clay vessels can indeed be made waterproof. **

Yes, there is a purely visual difference between clay and modeling clay. Clay is a natural material that is typically found in earthy tones such as brown, red, or gray, and has a more rough and natural texture. Modeling clay, on the other hand, is a synthetic material that comes in a variety of bright and vibrant colors, and has a smoother and more pliable texture. Additionally, modeling clay is often softer and easier to mold than traditional clay. **

Clay walls are walls made from a mixture of clay, sand, and water that is typically used in traditional construction methods. The mixture is molded into bricks or blocks and then stacked and secured together to form walls. Clay walls are known for their durability, thermal insulation properties, and sustainability as clay is a natural and abundant material. These walls are commonly found in regions where clay is readily available and have been used for centuries in various cultures around the world. **