When using aluminum coil in a kitchen, safety precautions include: 1) Ensuring proper ventilation to avoid inhaling fumes, as aluminum dust can be harmful. 2) Wearing protective gear such as gloves and goggles to protect your skin and eyes from potential contact with aluminum or sharp edges. 3) Handling the aluminum coil carefully to prevent cuts or injuries. 4) Avoiding contact with acidic or alkaline substances, as aluminum can react with them. 5) Not using aluminum coil near open flames or high heat sources, as it can melt or cause fires. 6) Cleaning up any aluminum dust or debris promptly to prevent slipping hazards. 7) Storing aluminum coils in a dry, cool place away from chemicals and heat sources.