What material is the hose made of?
The hose is made of metal.
    src        edge_attr  dst
0     0  to the right of    5
1     0   to the left of    2
2     0   to the left of    1
3     1  to the right of    0
4     1  to the right of    4
5     1  to the right of    3
6     2  to the right of    4
7     2  to the right of    3
8     2  to the right of    0
9     3   to the left of    7
10    3  to the right of    5
11    3   to the left of    2
12    3   to the left of    1
13    4   to the left of    7
14    4  to the right of    5
15    4   to the left of    1
16    4   to the left of    2
17    5   to the left of    0
18    5   to the left of    3
19    5   to the left of    4
20    5   to the left of    6
21    6  to the right of    5
22    7  to the right of    3
23    7  to the right of    4