All you need to do is hold the trimmer area under cold running water and it will clean out very easily.
They are very mobile and loose, which is great for getting touch grooves and ridges along your face.
x = 42.
The answer will depend on the value of x. If x is a square number, then the answer is 42,If x is a factor of 42 then it is 42/x,Otherwise it is 42*x.