To change the filter on this type of refrigerator, gently slide the unit out, unplug the unit from power, turn off the water valve, remove and replace the water filter, turn water valve back on, check for leaks, plug refrigerator back into the power outlet, slide unit back in place, and you are done.
Although very simple, balance exercises can greatly strengthen your center of gravity. Any exercise that is done on one leg can be considered a balance exercise. Standing on one leg will improve your body's ability to center its mass over one leg.
The centres of gravity of all the stools are the same height above the ground but because stool (c) has a much smaller base it topples over if they are all tilted to the same angle while the other two stools return to a level position. Notice that the centre of gravity is not inside the material of the stool.he high centre of gravity of the standing people makes it all too easy to tip the boat over! To help ourselves balance we can vary the position of our own centre of gravity by moving our arms and bodies to keep us from falling over. You will find that stability is important in the following examples: