Iprofayili yethu yeglasi ye-Tempered U yeglasi/imveliso yeglasi yesitishi ihlangabezana neemfuno ezisebenzayo malunga ne-§ 8, Uqhekeko kunye § 9.4, amandla omatshini njengoko kuchaziwe kumgangatho waseYurophu EN 15683-1 [1] xa ivavanywa ngokwe-EN 15683-1 [1] kunye EN 1288-4 [2].
