Chemicals for use in industry

INDUSTRIAL CLEANING COMPOUNDS FOR USE ON METALS

Computer programs for use in teaching, testing and tutoring chemistry; computer programs for use in accessing and displaying text and graphic files in the field of chemistry; computer programs for providing multimedia tutorials in the field of chemistry; and instruction manuals sold together therewith as a unit

LUBRICANT COATING COMPOSITION FOR PROTECTING METALS AGAINST ABRASION DURING MECHANICAL WORKING