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Silicon dioxide
A compound made of silicon and oxygen, commonly used to make glass.
Metal oxide
A compound formed from a metal and oxygen, used to color glass.
Metal alloy
A mixture of two metals; examples include bronze (copper and tin) and stainless steel (iron and chromium).
Chemical compound
A substance formed from two or more elements joined together.
Renewable raw materials
Materials that can be replenished, such as crude oil, sand, and rocks.
Durable
Refers to materials that can last longer.
Malleable
Describes materials that can change shape.