Which type of work is the best in the coal washing plant?

Flotation worker.

Among the workers in the coal washing plant, flotation workers are the best, with better working conditions and wages than other types of work. The flotation worker is responsible for flotating the raw coal slurry after ball milling.

Coal washing plant is a coal processing plant that sorts coal, removes mineral impurities in raw coal, and divides it into products of different specifications. It is also called a coal preparation plant.