| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS [0020]FIG. 1 is a partially exploded schematic side view showing the structure of an environmental control chamber according to an embodiment of the present invention. [0021]FIG. 2 is a schematic view showing another embodiment of the environmental control chamber according to the present invention. [0022]FIG. 3 is a perspective view showing the structure of a hea
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