O matou Tempered U profile glass/U channel glass oloa e fetaui ma manaʻoga talafeagai e uiga i le § 8, Fragmentation ma le § 9.4, Mechanical strength e pei ona taʻua i le European standard EN 15683-1 [1] pe a tofotofoina e tusa ai ma le EN 15683-1 [1] ma EN 1288-4 [2].
