The first industrial toxicant liquids, gases and dust invade the human body through the respiratory tract, esophagus, and skin, causing poisoning to the human body and can easily cause poisoning accidents and occupational diseases. In order to ensure the safety and health of employees, harmful and toxic gases must be prepared. Protective work. Article 2 All equipment, vessels, pipelines, valves, etc. that contain harmful toxic gases shall be guaranteed to be hermetic. Article 3 Strengthen the planned maintenance of the equipment and regular inspection and maintenance work to eliminate running, running, dripping, and leaking. Article 4 Where there are hazardous toxic gases, natural ventilation and mechanical ventilation should be fully utilized. In particular, the places where workers regularly operate and the ventilation of the pump room should be strengthened to ensure that there is a sufficient amount of fresh air. Article 5 Materials that emit toxic and harmful gases to space, ground, and sewers are prohibited. If production does require emissions, it should be approved by the leaders and corresponding measures taken. The venting tube set for the equipment should be more than 2 meters above the highest equipment in operation nearby. Article 6 The entering and entering of towers shall be subject to examination and approval procedures and shall be carried out only after approval. Measures shall be taken to provide guardianship of special personnel and, if necessary, guardians of the gas prevention station. Article 7 Employees shall understand the nature of the poisons, the symptoms of poisoning, the measures for the prevention of poisoning, and the first-aid methods for handling this post and this type of work. Article 8 The gas protection station shall set up special cabinets for accidents according to the nature of hazardous substances in the positions, and shall be equipped with protective equipment for accidents and personal items, and protective equipment shall be used for the positions. Article 9 Each worker shall learn how to use and maintain protective equipment. The gas defense station conducts education on gas protection knowledge and equipment use for employees, and conducts guidance and inspections to ensure that protective equipment is safe and reliable. Article 10 When working with toxic and harmful substances, corrosive substances, and high-concentration dust, all protective clothing shall be worn in addition to the protection of the face. Article 11 The transportation, storage and safekeeping of toxic and hazardous substances shall be conducted in accordance with relevant safety regulations. Article 12 When entering operations of towers, tanks, and containers, it is necessary to strictly handle the inspection certificate, hot work permit, and tower entrance permit, which can only be carried out after being approved. Article 13: Guardianship should be sent by persons with strong sense of responsibility, skilled, and good health. Before work, you must understand the nature of the work and point out the safety points for maintenance personnel, instruct them to prepare long-barreled masks and related protective equipment, and wear personal protective equipment. Article 14 The guardian shall check the implementation of protective measures. The contents include: 1. Isolation of toxic gases (disconnected, blinded, etc.); 2, replacement analysis; 3, temperature and pressure conditions; 4, shelf ladder installation situation; 5. Preparation of safety belts, safety lights and other protective equipment; 6, fire equipment, tools and equipment preparation; 7. Staff's understanding of safety measures; 8, other security measures. Article 15 During work, when the guardian feels unwell or has trouble breathing, he must leave the workplace to take off his mask. Article 16 The selection of the air intake point for long tube masks must take into account the wind direction, whether it is away from the ground and whether there is another source of poisoning. Take care not to allow dirt, soot particles to come into contact with the long tube. Article 17 When a blind plate with poisonous and harmful gases is plugged, the non-irritating gas pressure shall not exceed 200 mm water column, the pressure of the irritating gas shall not exceed 50 mm water column, and the temperature shall not exceed 60°C. Article 18 When carrying out the work of releasing toxic gases, the unrelated personnel shall leave a certain distance. If necessary, the guardian may request the workshop to assign another person to the poison-prevention area so as to avoid causing poisoning to persons not involved in the work. Article 19 The guardian must, in accordance with the circumstances, remind the staff in advance not to use iron tools to beat equipment or pipelines with burning or explosion hazards, and use copper tools or buttered iron tools to work. Article 20: In the process of guardianship, guardians are not allowed to leave the work station. They should always watch the ward's situation, and must not help the ward to work and forget their guardianship responsibilities. Article 21 If the guardian has an accident, the guardian shall firstly give a prompt and powerful rescue, while at the same time summon other people and notify the health clinic by telephone at once. Article 22 If a ward is guilty of a violation of the rules and does not listen to a command, the guardian has the right to stop his work and report to the relevant leader. If, for some reason, it is not possible to work in accordance with safety regulations, other reliable measures must be taken. With the consent of the factory manager, the guardian must be guarded from the beginning to the end of the guardianship, otherwise he has the right to refuse. Article 23 A guardian cannot guard two working sites at the same time, nor can he serve as a guardian of multi-person work. For guardianship of more than three persons, guardians should be added appropriately. Article 24 The guardian cannot serve as a guardian who takes too much time. The sick person cannot cope with guardianship.