| http://www.w3.org/ns/prov#value | - The stock used to make the tetrahedron containers can be formed of a wide variety of laminated products, e.g., a polyethylene, polypropylene, polyvinylchloride, polyvinyl acetate, nylon, polyester, or other thermoplastic film or layers laminated to paper, fabric, aluminum foil, lead foil or other suitable packaging material.
|
