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