DIAMOND DRESSING TOOLS

MATERIALS (IN LIQUID FORM), APPLICABLE TO CONCRETE (OR THE LIKE) FOR PURPOSES (A) HARDENING, (B) FINISHING, (C) WATERPROOFING, (D) SEALING, (E) ACIDPROOFING, AND/OR (F) STAINING THE CONCRETE (OR THE LIKE

FLEXIBLE SHAFTS, COMPONENTS THEREOF, PORTABLE POWER TOOLS DRIVEN BY FLEXIBLE SHAFTING AND ATTACHMENTS THEREFOR