Operation of web sites that use a search engine to generate and maintain extensive databases of internet addresses and content in an easily searchable format
Mining of laterite, diatomite and silicious fossil meals (e.g. diatomite); and other natural fluxes; natural asphalt or bitumen and other mining n.e.c.
Repair and maintenance of other special purpose machinery of division 28 (weighing equipment, vending machines, cash registers, photocopy machines, calculators, typewriters etc.)