Construction material :
(Material konstruksi)
1. Sand (pasir)
2. Soil (tanah)
3. Mud (lumpur)
4. Rock (batu)
5. Stone (batu)
6. Gravel (kerikil)
7. Pebble (koral)
8. Boulder : a large rock typically one that has been worn smooth by erotion
9. Concrete (beton)
10. Rubble (puing)
11 Lime (kapur)
12 Brick (bata)
