Glass ㅡ Chandeliers, Mugs, Light bulbs.
Woods ㅡ Tables, Chairs, Doors.
Ceramics ㅡ Mugs, Pots, Brick.
Plastics ㅡ Bottles, Plates, Plastic spoons, Your friend.
Metals ㅡ Refrigerator, Stoves, Beer cans.
