| 摘要 |
An apparatus to cool air comprises a grill (apertured container) filled with liquid that has been frozen, the grill being placed in an airflow to thereby cool the air. The apparatus is attachable to a fan and located in front of an airflow generated by the fan, wherein the airflow from the fan passes over and through the grill and is cooled. The fan may be an oscillating electric fan or a ceiling fan. The grill is made from plastics material. The grill may be scaled in size, and can be strategically placed in building or public spaces exposed to varying degrees of sunlight and shade to create a natural draught to reduce the temperature of the draught.
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