In life, a seemingly ordinary key carries many important responsibilities. It can not only open the door of home, car or office, but also contains many little-known secrets waiting for us to explore. Today, let's uncover the mystery behind this little key.

The key consists of a tooth, a handle and a special mark, each of which has its own unique meaning and function. For example, the design of the tooth determines which types of lock cylinders it can match; different materials and processes also directly affect the durability and safety of the key. Therefore, in the purchase must pay attention to the quality of good or bad.

Do you want to keep your keys with you for longer? The correct maintenance method is an indispensable part of it. Regular cleaning of dust and impurities on the surface can not only avoid rust, but also ensure smooth insertion and extraction process. In addition, if any wear is found, it should be replaced in time to avoid unnecessary trouble.

In addition to routine maintenance, learning to deal with emergencies is equally important. Don't panic when it is difficult to open. You can first check whether there is foreign matter stuck in the internal mechanism and then try to gently shake and rotate until it succeeds. Of course, it is best to carry a multi-function unlock as a backup solution just in case.

according to the needs of different occasions, we have also compiled some practical and cost-effective recommend lists for your reference. For home users, the traditional mechanical design is the most common and reliable; for people who often drive, the electronic induction type is more convenient and efficient; as for the office area, because it involves privacy protection, the intelligent fingerprint identification system will be one of the good choices.

Finally, I have to mention the main points of knowledge about the production of spare keys. Although there are many professional service providers on the market can complete this task, it is not complicated and fun to operate it by hand! Only need to prepare the corresponding mold equipment and follow the instructions to get a perfect copy step by step ~