... fittings, which achieve different opening styles such as: Fix window, outward opening window, swing window, awning window, and center-pivoted window.3. The addition ... , reducing the opening and closing force.9. To assmble the hinges, adapt strength profile both inward and outward, ... Option RAL Series and Wood Grain, two option for inward and outward colorGlass Option Tempered glass, Low-e glass ...