Describes the many by-products resulting from the carbonisation of coal.
Michael Law
Teenager
Father
6.4
2006
7.0
7.7
1999
6.6
1998
6.3
2002
7.3
1934
7.2
5.8
0.0
2019
2016
5.0
2024
5.7
1986
7.4
2005
7.1
2003
2023
8.0
1975
2017