The container further comprises {HEAD ~ an indicator system} or {TAIL ~ means} for use with a hydrogen generator and a catalyst system 
The container further comprises { HEAD ~ an indicator system } or { TAIL ~ means } for use with a hydrogen generator and a catalyst system
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH