The vessel may be oriented such that the external gradient acts in opposition to, or in conjunction with, {HEAD ~ the influence} of {TAIL ~ gravity} upon the target material 
of
The vessel may be oriented such that the external gradient acts in opposition to , or in conjunction with , { HEAD ~ the influence } of { TAIL ~ gravity } upon the target material
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH