Every pupil and teacher in any public school participating in any of the following courses:

1. (a) Vocational or industrial art shops or laboratories involving use of or exposed to:

   1. (1) Hot molten metals;
   2. (2) Milling, sawing, turning, shaping, cutting, or stamping of any solid materials;
   3. (3) Heat treatment, tempering, or kiln firing of any metal or other materials;
   4. (4) Gas or electric arc welding;
   5. (5) Repair or servicing of any vehicle;
   6. (6) Caustic or explosive materials.
2. (b) Chemical or combined chemical-physical laboratories involving caustic or explosive chemical or hot liquids or solids; is required to wear industrial quality eye protective devices at all times while participating in such courses or laboratories. The trustees of each school district shall purchase and cause such plano protective eye devices to be placed in such public schools for the eye protection of pupils, teachers and visitors to such classrooms or laboratories.

3. (c) Any person desiring protective-corrective lenses instead of plano protective devices supplied by the school trustees shall at his own expense procure and equip himself with industrial quality eye protective devices secured from legally authorized dispensers.

   The phrase "industrial quality eye protective devices," as used in this section, means devices meeting the standards of the American Standard Safety Code for Head, Eye, and Respiratory Protection, Z2.1-1959, promulgated by the American Standards Association, Incorporated.