An ESDEOS protection circuit includes a first protection circuit and a second protection circuit. Raw water, such as salt water, is heated by indirect heat transfer with reformate from the catalytic steam reforming process for purifying raw water in one of a multiple effect distillation process and a multi-stage flash process. The termiticidal bait matrix can be used in a bait station installed in the ground. The terraced trench has a plurality of portions that differ in width to define at least one annular ledge therebetween. During swinging, the user moves the slide along the shaft toward and into contact with the stop.