After the effective date of this Act, unions shall be installed in steel air lines at not more than 1,000 foot intervals, and at the inby end of the air lines.
225 ILCS 705/15.03
After the effective date of this Act, unions shall be installed in steel air lines at not more than 1,000 foot intervals, and at the inby end of the air lines.
225 ILCS 705/15.03