Chemicals and chemical products used in industry; ground crystalline silica

Sealants, fillers; materials and compositions for packing, stopping or insulating

The provision of a process for the enrichment or separation of isotopes by laser excitation, such process or service being commercially applicable to the production of material suitable for use in, among others, nuclear medicine, industry and electrical power generation

A fluoro-chemical water, stain and soil retardant & repellant for fabrics and carpets including all textile fibres

Installations for heating and cooking; electric coffeemakers; stoves; filters for use as parts of coffee percolators; water heaters; strainers for coffee-makers and water heaters

Exhaust mufflers, exaust pipes, water outlet pipes, exhaust deflectors and all other metal automotive goods included in this class, but excluding carpenters' tools of every description,