Silicon carbide semiconductor devices having regrown layers and methods of fabricating the same in a self-aligned manner. The system further includes a second fiber optic line configured for receiving light that has been transmitted from the first fiber optic line and reflected by the portion of the pump, wherein receipt of the light by the second fiber optic line occurs at a specified point during the stroke of the pump. The heat exchangers are in fluid communication with a coolant loop for passing chilled coolant through the heat exchangers, and the dehumidifying heat exchanger dehumidifies ingressing air to the electronics rack to reduce a dew point of air flowing through the rack. The liquid-flowing system releases baby formula mixture from the first container so that infants or young children can be fed with the baby formula mixture. The system further includes a presser disposed above the sponge and configured to compress the sponge to discharge water from the sponge. A surface of the concrete structure is coated with an organo-silicon compound and the organo-silicon coated surface is covered so as to reduce atmospheric exposure of the organo-silicon compound while the organo-silicon compound migrates into the concrete structure.