1. When a disaster occurs, be sure to calm down, don't panic, and scream.
2. When you hear an explosion or feel an air shock wave, immediately turn it back in the direction of sound and air waves, quickly fall down, face down, hands under your body, close your eyes.
3, immediately hold your breath, cover your mouth and nose with a wet towel to prevent inhalation of toxic high-temperature gases, to avoid poisoning and burns the trachea, internal organs.
4. Use clothes to cover the exposed parts of your body as much as possible to prevent the flames and hot gases from burning the skin.
5. Quickly remove the self-rescuer and wear it to prevent inhalation of toxic gases.
6. After the high temperature air wave has passed, the direction should be immediately identified, the shortest distance should be selected to enter the fresh air flow, and the disaster avoidance route should be used to escape the disaster area as soon as possible.
7. When you are unable to escape from the disaster area, you should immediately enter the shelter room and make full use of all equipment on site to protect other personnel and their own safety.
8. After entering the refuge chamber, pay attention to safety and try to block the sputum to prevent harmful gases from entering.
9. In the refuge chamber, pay attention to saving electricity and food for miner's lamp. The outdoor area should be marked well, and the pipes, tracks, etc. connected to the outside should be regularly tapped to send out a distress signal.
1.The Pull Stud's thread hardness is a little low,30-40HRC(Protect shank thread,core hardness can tesist hit)
2.Cryogenic treatment and thermal aging treatment can reduce the inner tesidual stress,improve durability and precision stability.
3.Appearance Electroless plating process improve surface hardness durability ,cleanness,precision stability ,the surface is more smooth,anti-rust and anti-corrosion is better ,feel comfortable and surface is more nice .
4.Material is 20CrMnTi,the Carbon depth>0.8,the hardness is 57-57HRC
Jis B6339 Pull Stud Bolt,Milling Collet Chuck Pull Stud,Jis B6339 Coolant Pull Stud,5Degree Jis B6339 Pull Stud
Shandong Chongde Precision Machinery Co.,LTD , https://www.springcollet.com