| http://www.w3.org/ns/prov#value | - The ink tank 1 is capable of containing liquid, such as ink, in the interior of the robust housing 8 directly, which comprises the first extrusion 2 having the communication port with the air outside 12 on the surface confronted with the bottom face for inducing the air outside into the interior of the housing; the second extrusion 3 having the ink supply port 13 for leading out liquid from the in
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