A new cleaner for student desks perhaps? Soak orange peels in vinegar for two weeks in a sealed mason jar then pour the vinegar into a spray bottle. Use as a non-toxic and yummy smelling "green" cleaner.
Vinegar uses: (1) Remove bacteria and pesticide residue from produce - Use 1 part vinegar to 3 parts water, wash produce thoroughly. (2) Clean windows and countertops - Use a 50% water and vinegar mixture to clean windows and countertops. (3) Remove shower and bathtub film - Use vinegar full strength on an old wash rag. (4) Toilet bowl stains - Use white distilled vinegar full strength with a scrubber. (5) Furniture polish - Use a 50% olive oil and vinegar mixture and polish furniture with a soft cloth. Be sure to test furniture in an inconspicuous spot first because vinegar is acidic. (6) Clean microwave - Utilize 1/4 cup of vinegar and 1 cup of water in a bowl. Place in the microwave and cook until boiling. Immediately wipe interior of microwave. (7) Wash no-wax floors - Add 1/2 cup of white distilled vinegar to a half-gallon of warm water. Mop or scrub floor. (8) Clean kitchen cutting boards - Use vinegar full strength on cutting boards. (9) Wash grass stains out of fabric - Use a 1/3 cup vinegar and 2/3 cup water mixture. Apply to stain and blot. (10) Remove molds and mildew - Use a 50% water and white vinegar mixture for light mildew stains, and full strength white vinegar to kill heavier mildew and mold growth.