Non-metal building materials in the nature of structural elements of plastic in the form of plastic modules and cells for installation in the ground to promote plant and tree growth and health, to control the flow of storm water and floodwater, to control soil erosion, and/or to assist the reinforcement of surfaces, namely, paved surfaces; non-metal building materials in the nature of structural plastic modules forming a load-bearing matrix for use in the ground for the sub-ground protection ...