Sludge Pipeline Identification Tape.

Risk of magnetic field symbol sign Part of our hazard warning safety sign range to notify dangers of equipment designed to create magnetic fields, such as MRI scanners, and cryogenic liquids. Workplace risks cover personal injuries with pacemakers, and metal implants. With cryogenics the dangers range from frostbite and oxygen depravation. Damage to property include hearing aids, mobile phones, can also result from entering such magnetic fields.