What is the key of the C level lock core, I changed the lock of the security door yesterday, and cha

The level of the lock cylinder of the anti-theft door is divided into Class A, Class B, and Super Class B (Class C). The C-grade is the best, and if the lock cylinder is idling, it is better than not idling! When you go to find a lock cylinder, you will know that the C-level lock cylinder is generally much more expensive. >>>More

For modern people, the function of the kitchen is not only limited to making food, but more often, it brings people a high-end life enjoyment. Kitchen decoration is an artistic work, and it is necessary to pay attention to both practical functions and aesthetics when decorating.

Ten hail with disadvantages and ten thousand sell the knowledge of the cold source family.

Wandering around the furniture city, the vast majority of people are willing to pick a brand new furniture to go home, feeling that those samples that are displayed outside all day are either "scarred" or not "clean". However, experts suggest that when buying furniture, you may want to pick a sample, which may be more environmentally friendly than picking up new goods. According to relevant experts, the formaldehyde emission of new furniture itself is serious, and if the room area is small, the density of furniture is large, and the ventilation is poor, it is not conducive to the diffusion of harmful substances. >>>More

Japanese family set menus can be seen by paying attention to Japanese variety entertainment programs.