If an item is made of ivory, you will be able to see lines, or a grain. These lines are sometimes known as Schreger lines and occur when the tusks grow. These lines may appear V-shaped or look like...
Try jogging up/down the stairs and if your out of breath then your probably out of shape. Maybe ask your doctor. you should be able to walk around a quarter mile track in 5 minutes, you should able...
The wheel will have a mark on it that will say GM/Ford or whatever in most cases. To measure the size of the wheel just use a tape and go accross the wheel and that's where the size is 13/14/15 exc,...