.::. Some Random Terms .::. • Gfci (Ground Fault Circuit Interrupter) This is an electrical device, either at the breaker panel box or individual outlets, which opens the circuit it controls if it detects current flow through the ground leg of the circuit. These are normally installed where outlets or other electrical devices in areas where contact with water may create a shock hazard. .... • Hot water heating The circulation of hot water through a system of pipes and radiators either by gravity or a circulating pump. .... • Cement body tile Tiles with a structure made from a mixture of sand, gravel and water to form concrete. ....