The press may include 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 {HEAD ~ the press block} from {TAIL ~ the gasket}, allowing rapid and easy replacement of substrates 
The press may include 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 { HEAD ~ the press block } from { TAIL ~ the gasket } , allowing rapid and easy replacement of substrates
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