made from, made of, made by
When you are talking about the materials that are used to make something, you say that it is made of or made from those materials.
Use made from when the original materials have been completely changed and cannot be recognized : be made from 看不出原料
? Paper is made from wood.
Use made of when the original materials have not been completely changed and you can still see them：
be made of: 看得出原料
? a table made of wood!!
be made up of：由。。e5a48de588b63231313335323631343130323136353331333236383466。构成（不时可能辨别单个元素）
The committee is made up of representatives from every state.
made up of