In contrast, a foot moves very quickly in the downward stroke, meaning that the limb and feet appear very thin.

After the valve closes, the piston undergoes an adiabatic process during the downward stroke.

Induction and compression are carried out on the upward stroke while power and exhaust occur on the downward stroke.

Using a mitt, smooth on in downward strokes, then buff your shins in a circular motion.

First, give the shaving gel or oil a few minutes to soften up the whiskers, then shave in the direction of the stubble (downward strokes).