found: TGM1(Life preservers)
found: Work cat.: Paul Revere, 2014(personal flotation devices, PFDs)
found: CDC website, October 4, 2016:NIOSH Publications & Products>Press Releases and Updates, March 27, 2014 (NIOSH Video Highlights the Use of Personal Flotation Devices in Cold Water Survival, Alaska; crew survived through the use of personal flotation devices (PFDs); inflatable PFDs)
found: "Personal Flotation Device," The seafaring dictionary: terms, idioms and legends of the past and present, 2009 via Credo Reference, Oct. 4, 2016(United States Coast Guard term for any apparatus designed to keep a wearer afloat with head above water; includes all types of such devices from simple life preservers to complex survival suits; PFDs are also known as life preservers, Mae Wests, life vests, life savers, life jackets, and life belts)
found: WorldCat, Oct. 14, 2009(How to choose the right life jacket; Lifejackets carried on passenger ships; Test for buoyancy of life-jackets; Personal flotation devices : life jackets, life vests, life preservers; predominant usage: life jackets or lifejackets, life vests rarely used)