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Anonymous users2024-01-23First of all, it depends on what material your security door is, if it is stainless steel
1.When the surface of stainless steel is contaminated with grease and lubricating oil, it can be wiped clean with a soft cloth and then cleaned with a neutral detergent or ammonia solution.
2. When the surface of stainless steel appears rainbow lines, it is caused by excessive use of detergent or oil, and can be cleaned with warm water neutral detergent when washing.
3. When there is dust or dirt on the surface of stainless steel, you can use soap, weak detergent or ask to rinse. When the label and film on the surface of stainless steel are cleaned with warm water or mild detergent, the binder components should be rinsed with alcohol or organic solvents.
4. When there are rust stains on the stainless steel toilet surface, it can be cleaned with 10% nitric acid or abrasive detergent, or it can be cleaned with a special detergent.
If you use it for a long time, dip it in water with caustic soda. >>>More
Is the rubber strip on the side of the small window door leaf loose or leaking? You can go find a cool foam board, cut it into a small window size with a wallpaper knife, and then put the foam board inside a small fan to block the small window to ensure that there will be no air leakage.
If there is a key-free one, then you can only change the lock cylinder. The most professional and effective is the lock picking company, and they have more lock cylinder specifications. You can call 114 to find out. >>>More
The installation of security doors in the home, plus security locks and security door chains are all to ensure the safety of the home. Compared with mechanical locks, everyone should take care of the key and never lock themselves. Recently, some members of the public have locked themselves in their homes because of carelessness. >>>More
After the use of doors and windows for a long time, the sealing strips of doors and windows will become aging or even cracked, which leads to the phenomenon of air leakage in doors and windows. At this time, you need to buy a new door and window seal to replace, if you don't know how to replace, you can ask a professional master to come to the door, pay attention to the acceptance of the time to carefully check. >>>More