The lock shop master teaches you to choose the lock

Can the same key open two different locks? Everyone thinks this is impossible, but Mr. Chen has encountered such a thing: he bought two locks of different models in one store, and only one of them can open the two. lock! In this regard, Zhang Shifu, a professional lock shop at Jianzheng Road, b.......

What is AB mechanical lock

AB lock instructions:
A, B lock is a new type of anti-theft lock, which is mainly designed with the theme of owner safety.
1. The A key is provided to the decoration installer.
2, B key with plastic packaging, this key in addition to the owner, other people can not open the seal .......

Winter and spring vegetables

Organic fertilizer mainly refers to farmyard manure and commercial organic fertilizer. This type of fertilizer has the characteristics of long fertilizer efficiency and full nutrient content, and also has a good soil-reducing effect. Remind the vegetable growers that th.......