This European Standard was approved by CEN on 21 April 2005. The European Standard EN 14225-4:2005 has status of the Standard of Republic Serbia. 24 р. This European Standard specifies the human factors performance of one atmosphere diving suits (ADS) where the diver can make use of articulated arms and legs and is able to conduct underwater activities while breathing underwater. Marking, labelling, information to be provided at the point of sale, and instructions for use are also specified.