More recently introduced terms such as 'annually laminated' are synonymous with varve. Of the many rhythmites in the geological record, varves are one of the most important and illuminating in studies of past climate change. Varves are amongst the smallest-scale events recognised in stratigraphy.
Computer Randomly Shuts Down: Possible Reasons. If your laptop or computer shuts down by itself randomly, then there can be many possible reasons for it. Knowing the problems due to which your PC keeps shutting down frequently will help you deal with them accordingly. Reason #1: Virus Infiltration.
How to Switch Off a Computer. Many computers hibernate or sleep when not in use, but there are times where a computer must be shut down completely, like when you need to open the computer up for repair or to add hardware. While computers are able to be turned off with the power button, doing so may cause you to lose your work. Not turning your computer off properly can also cause problems with your computer, which is why most versions of Windows check for problems after an improper shutdown.