As a safety precaution, which item should be chained to a rigid fixture?

Chaining compressed gas cylinders to a rigid fixture is an essential safety practice due to the potential hazards associated with these cylinders. Compressed gas cylinders are heavy, pressurized containers that can become dangerous if they fall or are knocked over, as they can result in serious injuries or cause explosions. Securing them to a rigid fixture mitigates the risk of them tipping over, which can happen due to accidental bumps or environmental factors. This practice is widely recognized in industry safety standards and regulations to ensure the safety of personnel and property.

In contrast, while hand tools, power tools, and electrical cords are also related to workplace safety, they do not share the same risk profile as compressed gas cylinders. Hand tools and power tools can be stored safely in designated areas without needing to be chained down, and the secure handling and proper storage procedures typically suffice for these items. Electrical cords, while needing to be managed properly to prevent tripping hazards and electrical hazards, are not typically secured in the same way as compressed gases, as there are more effective means to ensure they remain safe and accessible.