What do you mean, the owner of the property community lost his key and asked the locksmith to unlock it, and also called the on-site security guard?

The owner of the property community lost his key, so he called the locksmith to unlock it. Calling security at the scene means ensuring safety. Owners of property communities have lost their keys, and owners may need to find professional locksmiths to solve this problem before they can enter their own houses. Security guards at the scene mean that in order to ensure safety, they can provide help and supervision during the process of unlocking by the owner. Security guards can provide on-site management and order maintenance services when the owner unlocks the lock to ensure the smooth progress of the unlocking process and avoid any unnecessary problems in the process. The owner of the property community lost his key, so he called the locksmith to unlock it. Calling security at the scene means ensuring safety.