What this class covers:

This class covers chemicals used in industries, laboratories, and agriculture. It includes raw materials for manufacturing products like plastics, adhesives, and detergents. You won't find finished consumer products here—just the ingredients used to make them. Items like fertilizers, fire-extinguishing compositions, and industrial gases belong in this category.

What this class covers:

This class covers machines, engines, and industrial equipment used in manufacturing and construction. It includes robotic arms, agricultural equipment, and power tools. Motors for vehicles are excluded, as they belong in Class 12. Everyday household appliances, like blenders, may also fall under this category if they're industrial-grade.

What this class covers:

This class covers devices that provide light, heat, or air conditioning. It includes lamps, ovens, refrigerators, and water heaters. Products must have a functional purpose related to temperature, illumination, or sanitation. Electric cooking appliances belong here, but mechanical ones may fall into Class 7.