sentence: Divers find out how slowly to come up by using decompression tables or a dive computer.
sentences_after: They may need to stop on the way up to wait for enough gas to get out before it is safe to go up further. This is called a decompression stop. The tables or computer will inform the divers what depths they must stop at and how long they must stay at each depth.
concept_name: diver
headings: Decompression sickness How to prevent decompression sickness
categories: Health problems Diving