element 1 | element 2 |
---|---|
air |
container |
atmosphere |
container |
container |
oxygen |
element 1 | element 2 | result |
---|---|---|
human |
scuba tank |
diver |
lake |
scuba tank |
diver |
ocean |
scuba tank |
diver |
scuba tank |
sea |
diver |
scuba tank |
swimmer |
diver |