Each kit contains a sample of bauxite, iron ore, wood chips, sand, and oil, which are the raw materials used for aluminum, steel, paper, glass, and plastic.
(Each kit; contains; a sample of bauxite, iron ore, wood chips, sand, and oil) (wood chips, sand, and oil; are; the raw materials used for aluminum, steel, paper, glass, and plastic) (the raw materials; used; for aluminum, steel, paper, glass, and plastic)
Each kit wood chips, sand, and oil the raw materials
contains are used
a sample of bauxite, iron ore, wood chips, sand, and oil
the raw materials used for aluminum, steel, paper, glass, and plastic
for aluminum, steel, paper, glass, and plastic