If there is a block phenomenon when opening and closing the door and window, the switch needs a lot of strength, the width of the frame fan is small, and the unevenness of the surrounding gap is generally caused by the following factors:
1. The door and window frame or fan is deformed, and the sealing strip is loose.
2. Hardware accessories are damaged.
3. The installation quality is poor, and the allowable deviation is too much, and it has not been adjusted in time.
Prevention:
1. Door and window installation should comply with the installation process, and check and adjust the installation quality of each process at any time.
2. The window frame and the window hole should be drawn out of the center line. When the window frame is installed in the hole, the center line should be aligned. The frame angle should be temporarily fixed. Carefully adjust the verticality, horizontality and straight angle of the window frame. The error should be within the allowable deviation range.
3. Check the diagonal and flatness deviation before the door and window fan enters the frame. After the frame, check the overlap width of the frame fan and the surrounding gap with the steel ruler and the feeler gauge until the requirements are met.
4. Install the hardware parts correctly and find that the damage should be replaced in time.
5. Do a good job of product protection and normal use and maintenance, to prevent external impact, and do not hang heavy objects, resulting in deformation of doors and windows. When using, it should be lightly closed to extend its service life.
of dusters in the market.However, in 2018, microfiber is one of the best cleaning materials on the market and the best duster for general cleaning. Back in 2013, microfiber was still just a somewhat new and trendy word in the cleaning industry, but it has officially cemented itself as a game changer when it comes to general cleaning and dusting.
We stand by microfiber as the best material for dusting and general cleaning. It`s exceptionally effective at attracting, picking up, and retaining dust and dirt. The material`s tiny, thin fibers are able to reach deep into the pores of surfaces. If you`ve ever used a Microfiber Cloth to dust a surface, you can feel how strong the material is and how it almost clings to the surface to remove dust and dirt. Microfiber also has a self-created electrostatic charge that attracts dust and dirt and locks onto it. Unlike other materials, microfiber does not require any cleaning chemicals or products to clean or dust – you can use the cloth by itself to perform many general cleaning duties. You can also use a minimal amount of cleaning product or a spray of water to enhance its cleaning capabilities.
Another important benefit is its environmentally-friendly characteristics. It`s made from a soft type of synthetic fiber and not from animal fur or feathers. It`s also very sustainable, as it can be washed in the laundry hundreds of times before the material looses its form and integrity, and needs to be replaced, unlike other materials such as cotton.
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