Methods of separation are: decantation, filtration, sieving, electromagnetic, centrifugation, distillation, ion exchange, gravitational system, elutriation, radiometric sorting, zone refining, sublimation and many others.
a method of separation purify water
filter
balance sheet method
magnetic force method
Iron Curtain
it is it
filteration
Bonsai.
The method of separation is different for each system.
Apartheid was the official name for racial separation, given by the 1948 Nationalist government of South Africa.
Distillation is a method for the separation of liquids components.
Separation by filtration is a method.