| 摘要 |
A bird enclosure is constructed from two interengaging sections 1 and 7 which are nested within one another to create a cavity between the overlapping side walls 2 and 8. This cavity provides a space to receive a feed tube 17 leading from a water reservoir 15 down to a feed valve which projects into the interior of the enclosure. The front wall of the enclosure will be a mesh panel through which the birds can be viewed.
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