(9) Test with a thermal conductivity meter: Adjust the thermal conductivity meter to green 4 cells test gemstones, natural crystals can rise to 2 cells of color, and false crystals do not rise, when the area is large, rise to one cell of color.
In residential settings, switchable frosted glass is becoming increasingly popular in bathrooms and bedrooms. Homeowners can install it in places where privacy is essential, such as shower enclosures or bedroom windows facing a busy street. The ability to toggle between transparent and frosted glass allows occupants to enjoy sunshine and views when desired, yet guarantees seclusion when necessary. This functionality adds a modern touch to any home while ensuring comfort and tranquility.