From an ergonomic perspective, analyze the optimal niche depth (15-20cm), waterproofing process (double coated epoxy resin+ceramic tile closure), hidden LED light strip wiring scheme, and accompanying real-life pictures of small apartment renovation

From an ergonomic perspective, analyze the optimal niche depth (15-20cm), waterproofing process (double coated epoxy resin+ceramic tile closure), hidden LED light strip wiring scheme, and accompanying real-life pictures of small apartment renovation