The next most commonly asked question with regards to the Costco wheel alignment cost is, âHow often must wheel alignment be performed?â Most tire stores recommend that this service be performed whenever new tires are fitted and/or every 3,000 to 5,000 miles thereafter.
cave in. 1  1. Fall in, collapse, as in The earthquake made the walls cave in. 2  2. Give in, admit defeat, as in The prosecutor's questions soon made the witness cave in. 3  3. Collapse, faint, or die from exhaustion, as in After a twenty-mile hike I caved in.
Ice caves come in two forms. A cave formed entirely of ice is actually called a glacier cave and as the name implies, forms in glaciers. Water runs through or under the glacier and forms a cave. Glacier caves are very dangerous to enter and explore because of shifting and melting ice. They are a little too adventurous for the novice. The other type of ice cave can be any cave type (limestone, lava tube, etc.) that has ice in it year round. These caves trap cold air. Water entering the cave freezes and stays frozen year round.