Caution Sewer Pipe Below Tape.

Hazard warning diamond signs. Flammable gas. Used in the storage and the transport or carriage of hazardous goods and dangerous substances. These hazchem labels are produced to BS 5609 (for sea water use). They conform with ADR (for road), RID (for rail), IATA (for air) and IMDG (for marine) requirements. Waterproof.