Child-safety and security upgrades for windows, including enhanced locks, limiters, tempered glass

https://spark-wiki.win/index.php/All_The_Details_Of_window_and_door_fitters_Dos_And_Don%27ts

Child-safety and security upgrades for windows, consisting of reinforced locks, limiters, tempered glass, and laminated choices. Boost defense without sacrificing light, views, or ventilation in your home.