Every student and teacher in all schools, colleges, and universities or other educational institutions participating in any of the following courses:

(A) Vocational, technical or industrial arts shops or laboratories involving experience with:

1.?Hot molten metals, or other molten materials;

2.?Milling, sawing, turning, shaping, cutting, grinding, or stamping of any solid materials;

3.?Heat treatment, tempering, or kiln firing of any metal or other materials;

4.?Gas or electric arc welding, or other forms of welding processes;

5.?Repair or servicing of any vehicle;

6.?Caustic or explosive materials;

(B) Chemical or combined chemical-physical laboratories involving caustic or explosive chemicals or hot liquids or solids, or injurious radiations, or other hazards not enumerated; is required to wear appropriate industrial quality eye protective devices at all times while participating in such courses or laboratories. Such devices may be furnished for all students and teachers, and shall be furnished for all visitors to such classrooms and laboratories. Such devices may be purchased in large quantities and sold at cost to students and teachers.

“Industrial quality eye protective devices,” as used in this section, means devices meeting the standards of the United States of America standard practice for occupational and educational eye and face protection, Z87. 1-1968, promulgated by the American national standards institute, inc.

The provisions of this section shall apply to industrial quality eye protective devices purchased or otherwise obtained for use after the effective date of this act, and shall not have retroactive application to disqualify any such device in use on or before the effective date of this act.