This fixture can be held against {TAIL ~ a water} containing micromechanical devices by drawing a vacuum on {HEAD ~ the headspaces} enclosed between the fixture and the wafer 
This fixture can be held against { TAIL ~ a water } containing micromechanical devices by drawing a vacuum on { HEAD ~ the headspaces } enclosed between the fixture and the wafer
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH