A modular, tree-like structure for holding or hanging potted plants is suitable as an indoor flowerherbs stand. This separation method provides for removal of a contaminant, such as R11, from a hydrochlorofluoroolefin, such as 1232zd, which are not separable by conventional distillation methods. Further, the connecting wall has a recess on the connecting surface at a position corresponding to the bend. Batting cages are also included with the makeup of the driving range.