A separator is a centrifugal device that separates milk into cream and skimmed milk. Milk is a suspension of tiny droplets of oil in a liquid. Process:1. The milk sample is put in a closed container in a centrifuge machine. 2. The centrifugation machine is switched on, the milk is spun at a very highspeed container 3. Due to presence of centrifuge force the milk separates into cream and skimmed milk. 4. The cream, being lighter, floats over the skimmed milk. It can then be removed from milk.