This rule applies to glass products related to safety performance used in buildings and railway vehicles, and also applies to safety glass used in automobiles, agricultural vehicles and other road vehicles (hereinafter referred to as automobile safety glass). Among them, automotive glass related to safety performance includes laminated glass for wind windows, area tempered glass, tempered glass and plastic-glass composite materials; laminated glass for wind windows, plastic-glass composite materials, tempered glass and safety insulating glass; and safety performance Related glass products for buildings: including laminated glass, tempered glass, and insulating glass; glass products for railway vehicles related to safety performance include front window glass, and laminated glass, tempered glass, and safety insulating glass for other than front windows.