| 摘要 |
A compost chamber includes a substantially cylindrical casing extending from a first cap closing an inlet end thereof to a second cap closing an outlet end thereof, the caps having a door therein for receiving and removing compost materials therethrough, respectively. The casing is pleated in a continuous spiral about a longitudinal axis thereof substantially from the inlet end to the outlet end. Thus, the casing is collapsible and expandible by folding and unfolding, respectively, of at least one of the pleats. Furthermore, when the casing is rotated about its longitudinal axis, the compost materials contained therein are transferred from the inlet end toward the outlet end.
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