20 Furniture, mirrors, picture frames; non-metal containers for transport, non-metal cylinders for compressed gas or liquids sold empty, non-metal valves for containers, high and low pressure containers for transport, high and low pressure non-metal cylinders for compressed gas or liquids sold empty, all being made of wood, cork, reed, cane, wicker, shell, amber, mother-of-pearl, meerschaum and substitutes for all these materials or of plastic; storage tanks and high and low pressure storage tanks of wood and plastic; containers and cylinders of composite materials, namely, non-metal and non-paper storage containers and non-metal cylinders for compressed gas or liquids sold empty; high and low pressure non-metal and non-paper containers of composite materials for storage and transport of gasses, fluids, air or chemicals; high and low pressure non-metal cylinders of composite materials for storage of gasses, fluids, air or chemicals, sold empty; high and low pressure receptacles in the nature of non-metal and non-paper containers of composite materials for storage and transport of gasses, fluids, air or chemicals; high and low pressure tanks of composite materials, namely, wood and plastic, for storage of gasses, fluids, air or chemicals; plastic valves, not of metal other than machine parts