{HEAD ~ The press} may include {TAIL ~ a press screw} which can be turned to engage against the press block to hold it into position, and which can be turned to release the press block from the gasket, allowing rapid and easy replacement of substrates 
{ HEAD ~ The press } may include { TAIL ~ a press screw } which can be turned to engage against the press block to hold it into position , and which can be turned to release the press block from the gasket , allowing rapid and easy replacement of substrates
HEAD HEAD HEAD HEAD HEAD HEAD OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH