免费看国产黄_日本做aj的视频_又爽又骚无遮挡的网站_精品一级毛片国产_国产一区二区久久精品_日本欧美色图亚洲_影音先锋人妻啪啪av资源网站_黄网站色视频大全在线观看_日本在线中文字幕D√D_成人理伦电影在线观看一区

1. When installing fire-proof glass windows, it is necessary to fill carefully to make the window frame and the wall effectively and closely combined. In this way, it can also make the window form and window frame adhere to reasonable cooperation and use for a long time without worrying about deformation.

2. When using neutral reagent or cloth with water to wipe the watch outside the window of fire-proof glass, do not place it outside the window for a long time, otherwise it will damage the appearance and make the appearance finish data change color or separate.

3. Remove the stain on the surface outside the fireproof glass window, wipe it with soft cloth, and it is easy to scratch the surface with hard cloth. When the stain on the door is too heavy, you can use cleaning agent, toothpaste, cleaning agent, etc. After decontamination, wipe with clean water and then dry.

4. If the resistance of fireproof glass window is too large when it is closed, a little lubricating oil can also be coated on the movable lock tongue.

5. Pay attention not to rub the edges and corners of the fire-proof glass window too much, otherwise it will cause the corner epidermis to fall.

6. In winter, we should also pay attention to a ventilation process to ensure a certain humidity in the room, so that the fireproof glass window can be in a normal environment at room temperature. However, the indoor temperature cannot be set too high. When using electricity, pay attention to the distance to prevent it from deformation due to heating.

Article source: fireproof glass window http://hanzhicheng.cn/