确保工作场所和公共场所安全，理解并识别各种安全标志至关重要。 这些标志旨在传达潜在危险，指示正确的行为，并指导人们采取必要的预防措施。以下是30个常见的安全标志及其英文描述和意义，旨在提高安全意识。

1. Caution - Risk of Electric Shock: This sign warns of the presence of electrical hazards and the potential for electric shock. Stay clear of this area unless you are a qualified electrician.

2. Warning - Hazardous Materials: This symbol indicates that hazardous materials are present, such as toxic chemicals, flammable substances, or corrosive materials. Exercise extreme caution and follow established safety protocols.

3. Danger - High Voltage: This sign alerts individuals to the presence of high-voltage electricity. Approaching this area can be lethal.

4. No Smoking: This sign clearly prohibits smoking in the designated area due to fire hazards or health concerns.

5. Emergency Exit: This indicates the location of an emergency exit route. Know the location of these exits in case of fire or other emergencies.

6. Fire Extinguisher: This sign marks the location of a fire extinguisher. Familiarize yourself with its operation.

7. Eye Protection Required: This indicates that eye protection, such as safety glasses or goggles, is required in this area to prevent eye injuries.

8. Hearing Protection Required: This sign indicates that hearing protection, such as earplugs or earmuffs, is required to protect against noise-induced hearing loss.

9. Hard Hat Required: This symbol specifies that a hard hat must be worn to protect the head from falling objects or other potential head injuries.

10. Safety Shoes Required: This safety sign denotes that safety shoes with reinforced toes are mandatory to protect feet from impact and compression hazards.

11. Caution - Slippery Surface: This sign warns of a slippery surface, which can lead to slips, trips, and falls. Be cautious and wear appropriate footwear.

12. First Aid Station: This sign indicates the location of a first aid station where medical assistance and supplies are available.

13. Keep Clear: It signals to maintain a safe distance from a particular area or piece of equipment to avoid injury.

14. Authorized Personnel Only: Access to this area is restricted to authorized personnel only. Unauthorised access is prohibited.

15. No Entry: This sign indicates that entry is prohibited due to potential hazards or restricted access.

16. Wash Your Hands: A health and hygiene sign, commonly displayed near restrooms and food preparation areas, that instructs people to wash their hands to prevent the spread of germs.

17. Emergency Stop: This sign identifies the location of an emergency stop button or device, used to quickly shut down equipment in case of an emergency.

18. Forklift Traffic: This warning sign indicates that forklifts are operating in the area. Be aware of your surroundings.

19. Toxic Waste: This symbol signifies the presence of toxic waste materials that require special handling and disposal procedures.

20. Biohazard: Used to indicate the presence of biological agents that pose a threat to living organisms, the biohazard symbol promotes caution and proper handling procedures.

21. Flammable Material: Warns of the presence of materials that can easily catch fire, such as gasoline, propane, and other flammable liquids.

22. Corrosive Material: Marks areas where there are substances that can damage or destroy other materials through chemical reactions.

23. Radioactive Material: Warns of radioactive materials and reminds users to employ special precautions.

24. Confined Space: Indicate entry into a confined space, require extra careful planning.

25. PPE Required: General signs showing that personal protective equipment (PPE) is necessary in the area.

26. Machine Guarding: It serves as reminder that machine guarding devices installed must not be removed.

27. General Warning: A yellow triangle often containing an exclamation point, this denotes general hazards where specific warning signs are not available or are too many to list.

28. Safety Assembly Point: A green sign indicating the designated gathering point for personnel during an emergency evacuation.

29. Do Not Operate: Prevents accidental activation of equipment undergoing maintenance or repair.

30. Construction Area: General warning sign, indicates the presence of construction activities and related hazards, such as heavy equipment, falling objects, and uneven surfaces.

Understanding these safety signs and their meanings is a critical step in maintaining a safe environment. Regular safety training and reinforcement of these signs can significantly reduce workplace accidents and injuries. In addition to recognizing the signs themselves, it’s crucial to understand the specific hazards they represent and follow the recommended safety precautions. Proactive risk assessment and hazard control measures are essential complements to the use of safety signage in creating a safer and healthier environment for all. By paying attention to these symbols, we actively contribute to injury prevention and overall well-being. Safety is everyone's responsibility.