| A | B |
| alloy | a mixture of metal and one or more other elements |
| amalgam | an alloy that contains mercury |
| ceramic | a material made from dried clay or claylike mixture |
| glass | a ceramic without a regular crystal structure |
| cermets | ceramic metals |
| plastic | a polymer-based material that can be easily molded into various shapes. |
| synthetic fiber | a strand of a synthetic polymer |
| composite | a mixture of two materials, one embedded in the toher |