Glass that does not splinter into sharp pieces when smashed. Toughened glass is made by heating a glass sheet and then rapidly cooling it with a blast of cold air; it shatters into rounded pieces when smashed. Laminated glass is pressed and heated; when struck, it simply cracks.
White stands for peace. The shield and weapons express a willingness to defend the country. Green symbolizes plenty. Blue represents rain. Effective date: 20 January 1987.