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Description:

Class 4 includes products used primarily for energy, lubrication, and combustion, covering a wide array of oils, greases, fuels, and other consumable materials designed to provide power, heat, light, or reduce friction in industrial and automotive applications. This class focuses on products that serve as energy sources or that facilitate smooth operations in machinery, vehicles, and household applications. It includes fuels for vehicles and machinery, lubricants for mechanical parts, and illuminants for lighting purposes. Excluded from this class are oils and greases meant for human consumption.

Details of Class 4:

• Industrial Oils and Greases: Lubricating oils, greases, and other substances designed to minimize wear and tear in industrial machinery and vehicles. These products reduce friction, protect against corrosion, and extend the lifespan of mechanical components.
• Fuels and Combustibles: Liquid, solid, and gaseous fuels used to generate power or heat. This category includes traditional fuels like gasoline and diesel, as well as biofuels, coal, and other combustibles for energy generation in various industries.
• Illuminants: Substances used for lighting purposes, such as candles, wicks, and lamp oils. These products are essential for providing light in spaces where electric lighting is unavailable or impractical.
• Dust-Binding Compositions: Products used in construction, mining, and other industrial applications to control dust. These compositions are often sprayed on surfaces to reduce airborne particles, improving visibility and air quality.
• Cutting and Machining Fluids: Special lubricants and coolants used in metalworking and other manufacturing processes. These fluids help reduce heat, lubricate cutting surfaces, and prevent rust, making machining processes more efficient.
• Non-Chemical Additives for Fuels and Lubricants: Additives designed to enhance the performance of fuels and lubricants, such as fuel stabilizers, anti-knock agents, and lubricity enhancers. These additives help improve fuel efficiency, reduce emissions, and enhance the longevity of machinery.

Examples of Items in Class 4:

• Industrial Oils and Greases:
• Hydraulic Oil: Used in hydraulic systems to transfer energy.
• Synthetic Motor Oil: High-performance oil for automotive engines.
• Grease for Bearings: Thick lubricants used in bearings to reduce wear.
• Fuels and Combustibles:
• Gasoline: Fuel for internal combustion engines.
• Diesel Fuel: Used in trucks, buses, and heavy machinery.
• Biofuels: Environmentally-friendly fuels derived from biological sources, like biodiesel and ethanol.
• Coal and Charcoal: Solid fuels for industrial and domestic heating.
• Illuminants:
• Paraffin Lamp Oil: Used in oil lamps for lighting.
• Candles: Various types of candles for lighting and ambiance.
• Kerosene: Fuel used in portable heaters and lamps.
• Dust-Binding Compositions:
• Magnesium Chloride Solution: Used to suppress dust on unpaved roads.
• Lignin-Based Dust Control Agent: Organic dust suppressant for construction sites.
• Cutting and Machining Fluids:
• Coolant Fluid: Used to reduce heat during metal cutting processes.
• Cutting Oil: A lubricating oil used in machining to improve cut quality and tool life.
• Non-Chemical Additives for Fuels and Lubricants:
• Octane Boosters: Additives used in gasoline to improve engine performance.
• Fuel Stabilizers: Additives that prevent fuel degradation during storage.
• Lubricity Enhancers: Additives that improve the lubricating properties of fuel, reducing wear on fuel injectors.

Class 4 is essential for a wide variety of industries, from automotive and transportation to manufacturing and construction. Each product within this class serves a specific role in ensuring efficient operation, whether through energy production, machinery lubrication, or lighting. The items included in this class are vital for energy supply, maintenance, and industrial productivity.