1 CHEMICAL ADDITIVES FOR USE IN MANUFACTURE OF PAVEMENT, BRICKS, AND TILES; CHEMICAL ADDITIVES FOR USE IN THE MANUFACTURE OF PAPER, COSMETICS, AND PHARMACEUTICAL PREPARATIONS; CLAY-BASED ADDITIVES FOR USE IN THE MANUFACTURE OF PAINTS, COATINGS, AND SOLVENTS TO IMPART VISCOSITY AND/OR THIXOTROPHY; CLAY-BASED ADDITIVES FOR CARBONLESS PAPER, WATER RETENTION AIDS, THICKENERS, DRILLING FLUIDS, COSMETICS, AND PERSONAL HYGIENE APPLICATIONS; WATER PURIFYING AND TREATMENT CHEMICALS FOR SWIMMING POOLS, HOT TUBS, WATER RESERVOIRS AND/OR GOLF COURSE PONDS, NAMELY, CLARIFIERS, SHOCK AGENTS, BALANCERS, SURFACE CLEANERS, SANITIZERS, STAIN PREVENTERS, STAIN REMOVERS, STAIN AND SCALE CONTROLLERS, FOAM REDUCERS, SANITIZER LEVEL REDUCERS, WATER TREATMENT AND TEST KITS FOR SWIMMING POOLS, HOT TUBS, AND SPAS, NAMELY, POOL OPENING SYSTEMS COMPRISING WATER PURIFICATION AND/OR TREATMENT CHEMICALS, AND TEST STRIPS FOR TESTING PH, ALKALINITY, CHLORINE OR BROMINE; AND POOL CLOSING SYSTEMS COMPRISING WATER PURIFICATION AND/OR TREATMENT CHEMICALS; INORGANIC CHEMICALS FOR USE IN CONCRETE ADMIXTURES; CHEMICALS FOR USE IN THE MANUFACTURE OF POLISHING COMPOUNDS, LATEX DRIPPINGS, AND DRY CELL BATTERIES; CHEMICALS FOR USE IN THE MANUFACTURE, TREATMENT, AND/OR USE OF SEMICONDUCTORS, PRINTED CIRCUIT BOARDS, AND PHOTOMASKS, NAMELY, ETCHANTS, CLEANING PREPARATIONS, LAMINATING RESINS, PLATING CHEMICALS, IMAGING RESISTS, AND ENCAPSULATION PREPARATIONS; CHEMICALS FOR REMOVAL OF UNWANTED MATERIALS FROM SILICON WAFERS; CHEMICALS FOR USE IN WAFER RECLAIM SYSTEMS; CHEMICALS FOR USE IN THE MANUFACTURE OF LATEX DRIPPINGS