What safety precautions should be taken when using firewater drain cleaner?

When using firewater drain cleaner, it is important to wear protective gear such as gloves and goggles to prevent skin and eye irritation. Ensure proper ventilation in the area and never mix firewater drain cleaner with other chemicals. Keep the product away from children and pets, and follow the manufacturer's instructions carefully. In case of accidental ingestion or contact with skin or eyes, seek medical help immediately.