| Subject | English | French |
| nat.res. | extraction of sand from the seabed | exploitation de sable et de gravier du fond marin |
| nat.res. | extraction of sand from the seafloor | exploitation de sable et de gravier du fond marin |
| environ. | sand extraction The extraction of sand by mining for building purposes and for the extraction of heavy minerals such as rutile and zircon | extraction de sable |
| industr. | sand extraction | extraction de sable |