Abstract: An air blowing device includes: an air blower provided in connection with a support stand, the air blower being configured to generate rising air; a support frame attached to the support stand; and a wind-direction changing device configured to change a wind direction to a direction crossing a direction of the rising air upon receipt of the rising air, wherein descending air blown to periphery around the air blower is generated by the wind-direction changing device, and the wind-direction changing device is supported by the support frame.

Abstract: A transportable breakroom box is disclosed that comprises: a box as a breakroom having a floor space equal to or less than ten square meters; a sliding door; a vaporization filter; a water storage tank that stores water to be supplied to the vaporization filter; and a water supply pump; an exhaust blower; and, one or both of a hanging hook used for hanging, the hanging hook being provided on a shingle of the box, and a floor beam to which forks of a forklift truck can be hooked, wherein, the exhaust blower sucks and discharges air in the box, and sucks outside air through the vaporization filter, and water supplied to the vaporization filter and dripped down from the vaporization filter is collected in the water storage tank.