Unfortunately, metal locks bother us..... “It seems to say the same thing over and over, but be careful when opening and closing the door. Don’t make a loud noise.” Will even absolute standards change? As the weather gets cooler criteria Objects evaluate absolute relative now roger that. Please praise me for taking 5 seconds to close the door. More than that, it’s the door that makes a loud noise when opening and closing the door, isn’t it? The shabby doors and walls that were installed decades ago are just crying. However, there are times when the door cannot be locked. At that time, even if I turn the lever, the door does not lock. I want to say that this bug is never my fault. This is because the steel part of the door lock mechanism expands or contracts and does not lock smoothly. Leading craftsmen will be familiar with the expansion rate of metal or steel before installing the door. However, there is no guarantee that the door will w...