What are the contents of "three understandings, four meetings and five strictness" in coal mines?

Three knowledge: know the structure of equipment, know the performance of equipment, and know the working principle of safety facilities.

Four skills: operation, maintenance, maintenance and troubleshooting.

Five strictness: strictly implement the handover system, strictly implement the operating rules, strictly implement the management system of key places, strictly carry out patrol inspection and strictly carry out on-the-job training.

Extended data:

Matters needing attention in coal mine work:

1, you must eat and sleep well before driving, and it is forbidden to drill wells after drinking.

2. Wear work clothes, safety helmet, rubber boots and a towel around your neck to wipe the sweat in the well and prevent slag from falling into your neck. At the same time, it is also very useful when you save yourself underground.

3. Before entering the well, you must carry a miner's lamp and self-rescuer, and check it carefully.

4. When going up and down the well to get the cage, you should obey the command of the cage lifter, see your feet clearly, go up and down in order, and don't crowd. Do not lift the cage up and down without the permission of wellhead management personnel or cage lifter, and do not grab it when the cage lifting signal is given or the cage lifting is not stopped.

5. No one is allowed to pass through the bottom of vertical shaft and inclined shaft, and only bypass it.

6. No matter where you are, don't walk with your legs riding a wire rope.

7. The locations where fences are nailed or danger warning signs are hung at the entrance of the roadway indicate that there are harmful gases stored inside, and employees are in danger of poisoning and suffocation when they go in. These places cannot go in.