| http://www.w3.org/ns/prov#value | - In the syringe embodiments shown in FIGS. 6 and 7, the cylindrical barrel or wall 51 and 71 respectively are manufactured from rigid materials such as glass, metals, ceramics, and/or plastics such as polyethylene, polypropylene, polycarbonates, polystyrene, or other plastics.
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