Spinal Cord, Nerves, and the Brain. Communication central. The spinal cord is a tube-like structure filled with a bundle of nerves and cerebrospinal fluid, which protects and nourishes the cord. Other protectors of the spinal cord include linings called meninges and vertebral bones. The spinal cord is about an inch across at its widest point and about 18 inches long.
Thermoplastic elastomers (TPE), sometimes referred to as thermoplastic rubbers, are a class of copolymers or a physical mix of polymers (usually a plastic and a rubber) which consist of materials with both thermoplastic and elastomeric properties.hermoplastic elastomers show advantages typical of both rubbery materials and plastic materials. The principal difference between thermoset elastomers and thermoplastic elastomers is the type of cross-linking bond in their structures.
Back to articles. TPO stands for thermoplastic polyolefin and is a type of synthetic material often used in the construction of commercial and even some RV roofs. Roofing systems typically consist of three elements: a structural deck, a thermal insulation barrier and a waterproofing membrane.PO stands for thermoplastic polyolefin and is a type of synthetic material often used in the construction of commercial and even some RV roofs. Roofing systems typically consist of three elements: a structural deck, a thermal insulation barrier and a waterproofing membrane.