Type I PFDs are designed for use in the open waters, from shore. This consists of tough seas, the center of enormous lakes, or any place folks might must be saved alive for long amounts of time just before rescue groups may get to them. Description ​Dissolved air flotation (DAF) https://angelocqvak.slypage.com/34227956/5-easy-facts-about-daf-flotation-equipment-described