VALVE:SAFETY; STYLE DESIGNATOR=RELIEF TO ATMOSPHERE, NOMINAL BORE DIA.=11 MM, MEDIA FOR WHICH DESIGNED=COMPRESSED AIR , SEAL MATERIA L=VITON, BODY MATERIAL USED=BRASS, CONNS. TYPE.=SCREW IN THREADED MALE, INLET PORT SIZE-INCH=G 1/2 INCH, END ITEM IDENTIFI

The impact of the 4D printer on the international market
The most obvious advantage of 4D printing is that objects larger than printers can be printed as just one part. Because they can shrink and unfold, items that are too large to fit in a printer can be compressed and then become full size.