What is the container made of?
The container is made of plastic.
    src        edge_attr  dst
0     0  to the right of   13
1     0   to the left of    8
2     0  to the right of    1
3     1  to the right of    4
4     1   to the left of    0
5     1               by   10
6     1   to the left of   10
7     2  to the right of    7
8     4   to the left of    1
9     4               by   10
10    6   to the left of    8
11    6  to the right of   13
12    7   to the left of    2
13    8  to the right of   10
14    8  to the right of    6
15    8  to the right of    0
16    8  to the right of    9
17    9   to the left of    8
18    9  to the right of   13
19   10   to the left of   12
20   10  to the right of    1
21   10   to the left of    8
22   10  to the right of   13
23   12  to the right of   10
24   13   to the left of    0
25   13   to the left of    6
26   13   to the left of   10
27   13   to the left of    9