Required  by  SOLAS 1974 in regulation 13 revised in 2000,all ship shall carry at least two Emergency Escape Breathing Devices (E.E.B.D.)within accommodation spaces for providing respiratory protection  in  toxic and oxygen deficient atmospheres. On all ships,  within the  machiner spaces, E.E.B.D.shall be  situated ready for use at esaily  visible places,which can be reached quickly and easily at any time the event of fire . The location of E.E.B.D shall take into account the alyout of the machinery space and the number of presons normally working in the  SPACES .The E.E.B.D. should have at least  a duration of  seveice of 10 mins and should inculde a hood or full face piece to protect the eyes, nose and  mouth during escape, complying with the Fire Safety Systems (F.S.S) Code.Hoods and face pieces should be considered flame resistant and include a clear window for viewing. An  unactivated E.E.B.D should be capable of being carried hands-free.