The tail of a tanker often has a chain to the ground. What's the use of iron?
Xiagong Chusheng car sales manager Ge Yuanjia answer for you: professional tanker tail often has a chain onto the ground. It is the use of conductive iron, mainly to prevent electrostatic ignition of oil tanker produced.
This is the use of electrical conductivity of iron to eliminate static electricity, in case of fire or explosion.
