A travel outlet device is for connecting between an adapter and a power cable. The back brace includes a band adapted to encircle the wearer’s torso. The top and middle ducts extend over the engine, while the bottom duct extends below the engine. Data is collected by the weather collection devices upon the actual occurrence of the probable weather event. In one embodiment, the BLDC rotor is used to drive a Roots blower used as a compressor in a portable mechanical ventilator system. Thus, cosmetic raw materials required for producing cosmetics can be contained in a single container so as to enable the simple production of cosmetics.