1 An example of solution is 4, which is the solution to the equation of 2+2. 2  An example of a solution is when you hire a taxi to get to work when your car breaks down. 3  the act, method, or process of solving a problem.  the answer to a problem.
Definition of flush. 1 :  a sudden flow (as of water); also : a rinsing or cleansing with or as if with a flush of water. 2a : a sudden increase or expansion; especially : sudden and usually abundant new plant growth the spring flush of grassb : a surge of emotion felt a flush of anger at the insult.
Engine flushing is a procedure that is used to clean the engine of sludge and other elements that build up in the lubrication system of mostly diesel and petrol engines.The main purpose of an engine flush is to clean and unblock the oil ways, prolonging the engine life.Periodic flushing helps the components of the engine remain relatively clean and thus operate at optimum levels. But the biggest question is how often it should be done.he main purpose of an engine flush is to clean and unblock the oil ways, prolonging the engine life. Periodic flushing helps the components of the engine remain relatively clean and thus operate at optimum levels. But the biggest question is how often it should be done.