How do you separate small pieces of metal in the engine oil of a car?

How will you separate small pieces of metals from engine oil ?

Which seperation techniques will you apply for the Seperation of the small Pieces of of the metal in the engine oil of a car ?

Which separation techniques will you apply for the separation of the following? Small pieces of metal in the engine oil of a car.

Which separation tehcniques will you apply for the separation of the following? Small pieces of metal in the engine oil of a car.

Which separation techniques will you apply for the separation of the following ? (a) Sodium chloride from its solution in water. (b) Ammonium chloride from a mixture containing sodium chloride and ammonium chloride. (c ) Small pieces of metal in the engine oil of a car. (d) Different pigments from an extract of flower petals. (e ) Butter from curd. (f) Oil from tea. (g) Tea leaves from tea. (h) Iron pins from sand. (i) Wheat grains from husk. (j) Fine mud particles suspended in water.