Reuses and recycles parts from traded in products. WaterCycle captures, cleans, and reuses water. Another advantage is that this process recovers and reuses all inorganic chemical reagents. This effectively reuses all the code of the compiler and interpreter. This reuses static web page elements while defining dynamic elements based on web request parameters. Mass grave sites sometimes reuses preexisting trenches or artillery craters. Sailfish Office reuses the Qt Quick components from Calligra Active. Such a system could be designed so that it reuses most (otherwise lost) nutrients. Java reuses some popular aspects of C++ (such as the method). Troma reuses the same props, actors, and scenes repeatedly, sometimes to save money. The facility mostly reuses plans from the proposed Florida High Speed Rail system. The eagle frequently reuses the same nesting site for several different chicks. This soundtrack reuses the same set of singers, as the original Tamil version. It partly reuses Beethoven's Allemande WoO 81. The data will remain there until the operating system reuses the space for new data.