| 摘要 |
A container apparatus includes a base plate, a sidewall and at least three wheels. The base plate has a first side and a second side. The sidewall is arranged on the first side of the base plate such that the base plate and the sidewall form a room. This room has an aperture opposite to the base plate the sidewall comprises a mating structure. The mating structure is substantially regularly spaced. The at least three wheels are arranged on the other side of the base plate.
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