1. First open the first window. When opening, use both hands, pull the child safety latch with one hand, and rotate the handle with the other hand to make it easy to open. 2. When opening the second window, lean your hands against the middle of both sides of the window sash, lean against the side of the opened window, open it after "leaning against", and so on. 3. The open sash must
1. Open the front fan first window When opening, use both hands and pull the child safety lock with one hand pin , rotate with one hand handle To make it easy to open.
2. When opening the second window, lean your hands against the middle of both sides of the window sash, lean against the side of the opened window, open it after "leaning against", and so on.
3. The open window sash must be fixed with bolts to prevent damage in case of severe shaking caused by wind and child collision Glass 。
4. When cleaning the external facade of the window sash, the window sash must be opened at 90 degrees. Clean the glass with glass cleaner, soft cloth or wiper to keep the window sash bright and clean.
5. Protect the Sealing strip If there are stains and dust, use a soft cloth dipped with water or alcohol to gently wipe.