Grease for machines,sdfcl liquid benzene,lubricant for oiling machinery,phenolphthalein indicator 500ml pkt,potassium chromate indicator 5 percent w or v,aluminum hydroxide suspension,litmus paper for ph value 80 to100 strips,silver nitrate solution 0 point 0141n,unscented glycerin,heavy duty gloves for machinery operations,distilled water with certificate,sodium hydroxide or soln powder,sulfuric acid soln 97 percent,ethanol,is sand as per is 650 1966 grade i particle lessthan 5mm and greater than 1 mm,is sand as per is 650 1966 grade ii particle size less than 1mm greater than 0 point 5 mm,is sand as per is 650-1966 grade iii particle size less than 0 point 5mm greater than 0 point 09 mm