An easily transportable apparatus for carrying critical care equipment, such as an EKG unit, needed by a patient being transported on a conventional gurney, stretcher, or like patient transport device. The method includes a primary cooling step of cooling the hot reduced iron briquettes by steam at a cooling rate of 4. In one embodiment, a MEMS mirror device mounted on a substrate is described that includes, a micro mirror that is pivotable about an axis, a first conductive layer on the mirror, a second conductive layer on the substrate, the first and second conductive layers form a first capacitor for determining the position of the mirror. While the data is being passed through the DMA controller, it is passed through a transmission filter for processing.