Omega has instead built a movement of non-ferrous materials eliminating the need for such a cage and providing a far greater resistance to magnetic fields.
Diamond tools are used to achieve a superior surface finish (though they can only be used on non-ferrous materials).
The steel parts around the binnacle (the enclosure containing the compass) were replaced by non-ferrous materials.
The halves are joined together with a non-ferrous material such as brass or aluminium.
The probe handle, being made of a non-ferrous material, has no disturbing effect on the field.
"Specifically, fabricating engine blocks and other high-stress parts of non-ferrous materials."
Some non-ferrous materials are also used in the iron and steel industries.
Precious non-ferrous materials are usually sourced from jewellery, electronics and used industrial catalysts.
Recycling non-ferrous materials can pose hazards due to exposure.
Extraction and use of non-ferrous materials pollutes the environment.