| http://www.w3.org/ns/prov#value | - an inserting tube 3 that is adapted to surround and protect the drainage wick 5 as the inserting tube 3 penetrates downwardly into the earth, a guide such as a mast 2 or pole or shaft, which is designed to initially position the inserting tube 3 generally vertically above the earth, means to move the inserting tube 3 from its initial vertical position downwardly with respect to the guide 2 so that
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