Plastic cleats are similar to rubber spikes. PAMs generally consist of rubber and plastic components. Silastic rubber, and teflon-silicone prostheses. These are often made of either rubber or plastic. The pig carcasses were made out of foam, rubber, and latex. Also issued to the prisoners are a pair of shoes made of rubber or plastic. Dimethylmercury is capable of permeating many materials, including plastic and rubber compounds. Cyanoacrylates are useful for bonding to metal, leather, rubber, cotton, and other plastics. EVA is one of the materials popularly known as "expanded rubber" or "foam rubber". Tellurium is sometimes used as an alternative to sulfur in vulcanized rubber. The tour demonstrated the reliability of tires made with synthetic rubber. They are used in the production of synthetic rubber. These materials were also used to produce rigid foams, gum rubber, and elastomers. Another advantage is the extrusion of pipes with integrated coupler including rubber seal. These cities happen to be the base of hundreds of plastics and rubber manufacturing companies.