Let $ R $ be a ring with identity. An element $ r $ was called to be nil-clean if $ r $ was a sum of an idempotent and a nilpotent element in $ R $. The nil-clean graph of $ R $ was a simple graph. denoted by $ G_{NC}(R) $. https://www.jmannino.com/quick-grab-Shower-Cap-Romantic-Garden-big-savings/