A — Sump . B — Pipes . C — Flooring . D — Trunk . E — Perforations of trunk . F — Valve . G — Spout . H — Piston - rod . I — Hand - bar of piston . K — Shoe . L — Disc with round openings . M — Disc with oval openings . N — Cover . O — This man is boring logs and making them into pipes . P — Borer…
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