| 摘要 |
The container 1 is equipped with a monobloc grate 4 with two integrally moulded chimneys 10, 11, one 10 for filling the water reservoir and aeration, the other 11 for guiding a monobloc float comprising a shaft 13, the lower end of which forms a bell 12 which is capable of retaining a sufficient quantity of air to ensure its buoyancy. The grate 4 comprises a skirt 8 which raises it, surrounded by a support rim 9 which reduces the overhang of the walls of the container 1 and prevents their deformation under packaging made of retractable plastic film. <IMAGE>
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