How many holdfasts shall be fixed on each side in case of window and ventilator frames with height less than 1 m?

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Building & Construction Practice Test: Doors, Windows and Ventilators — practice the complete quiz, review flashcards, or try a random question.

Doors, windows, and ventilators are essential building components that allow air and light to circulate.  Here are some types of doors, windows, and ventilators: Louver windows: Also called ventilation windows, these windows can be tilted to control the flow of air. They allow outside breezes to enter the home. uPVC awning windows: Also known as top-hung windows, these windows provide ventilation without letting in rain or leaves. They can be operated by clicking and are comfortable to use. Passive ventilation: Uses doors, windows, vents, louvers, and other openings to bring fresh air... Show more

How many holdfasts shall be fixed on each side in case of window and ventilator frames with height less than 1 m?