Why was the use of coal an improvement on using human, animal, wood or water power for energy?

The discovery of the potential of the coal fro producing energy was revolutionary for the humans. The coal gave new opportunities, as this natural resource was able to produce so big of an amount of energy that the machines based on its work were able to do the work for which before that, lots of people and animals were needed, or it was take much longer time with the previously used energy sources like the wood and the water.

The coal gave the basis for the industrialization process, and it managed to revolutionize the manufacturing of the goods, which for the countries that used it, brought a very big wealth.