[Class : 1] Chemical Coating Preparations; Chemical Preparations For Removing Or Conditioning Scale, Carbon, Grease, Sealing Compounds, Soot, Road Soil Or The Like Deposits From Surfaces; Chemical Preparations For Use In The Treatment Of Effluent; Chemical Preparations For The Treatment Of Water; Chemical Sealing Preparations; Chemical Products For Use In The Treatment Of Metals; Picking Solutions Being Chemical Preparations Or Substances For Use In The Removal Of Deposits Or Of Coatings, From Metals; Chemical Preparations For Use In The Printed Circuit Industries; Chemicals For Preventing Corrosion; Products For Industrial Use In The Formation Of Cuttings On Metals; Chemical Composition For Use In Removing And Inhibiting The Formation Of Corrosion And Encrustation; Grease Dissolving Preparations; Chemical Emulsifiers; Chemical Additives For Use As Deforming Agents; Chemical Additives For Fuels; Acids For Use In Etching; Chemical Preparations For Use In The Detection Of Surface Blemishes, Flaws Or Cracks; Chemical Preparations For Dewatering; Chemicals Preparations For Inhibiting Rust; Chemical Preparations ( Not In The Nature Of Paint ) For Sealing And Coating Surfaces; Chemical Preparations For Use In Industry, Manufacture And Science; Artificial And Synthetic Resins; Plastics In The Form Of Powders, Liquids. Pellets, Chips, Granules Or Pastes, All For Industrial Use; Chemical Preparations For The Dispersal Of All And Of Petroleum; Filtering Materials Of Raw Of Party Prepared Vegetable Materials, Of Mineral Substances Or Of Plastics Powders; Chemical Products For Preventing Scale And For Removing Or Diminishing Encrustation In Water Systems; Liquefied Gases ( Other Than Fuels) For Use In Aerosol Containers Or Dispensers; Cleaning, Washing Degreasing, Look Removing And Detergent Preparations; All For Use In Industrial And Manufacturing Recesses; Chemical Products For Industrial Use In The Formation Of Coatings On Metals; Tempering Substances; Chemical Preparations For Soldering And Welding; Solder Preparations And Flux; Chemical Preparations For Preventing The Formation Of Scale In Machines Used In The Food Industry; Chemical Preparations For The Prevention Of Grease And Of The Like Deposits In Grease Traps And In Drainage Systems; Absorbents Derived From Silica; Protective Coatings For Metals; Preparations For Removing Protective Coating From Metals Or Masonry Surfaces; Taint Repellant Preparations For Use On Windows, Windscreens Of On Windshields; Solder Stripper; Chemical Fluids For Metal Workings; Chemical Compounds For Use In Metal Drawings; Chemical Agents For Use In Metal Cutting; Chemicals For Use In The Electroplating Industry; Drilling Mud"S And Chemical Additives For Enhanced Oil Recovery; Surfactants Included In Class 1.