The valve structure is disposed to control flow of the liquid crystal from the liquid crystal container to {HEAD ~ the nozzle structure} in accordance with a gas pressure provided from a gas input of {TAIL ~ the liquid crystal container} 
The valve structure is disposed to control flow of the liquid crystal from the liquid crystal container to { HEAD ~ the nozzle structure } in accordance with a gas pressure provided from a gas input of { TAIL ~ the liquid crystal container }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL