It is a horizontal version of turn only windows. They are mainly used for bathroom and toilet windows. They can be turned to the extent allowed by scissor set fixed at sides. These scissors can be extended in stages according to their specifications. Based on site and demand, espagnolette, crash, reverse tilt or high tilt applications and types are available. They work without causing any trouble.
They work like balcony doors. It has properties such as extra locking and controlled from both sides. Having arms in both inside and outside, types such as ratchet, key or barrel locking mechanisms are available. Different threshold applications and very different arm applications can be made. Trouble causing risks increase with larger widths..