Moreover, for many biological applications, {HEAD ~ propulsor array} 100 and motor 150 may be {TAIL ~ part} of a disposable device, in which case any long term corrosive effects are unimportant 
be
Moreover , for many biological applications , { HEAD ~ propulsor array } 100 and motor 150 may be { TAIL ~ part } of a disposable device , in which case any long term corrosive effects are unimportant
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH