Examlex
The cross-price elasticity between soda and salty chips is -3. From this we can tell that the demand for salty chips is elastic.
Permanent Magnet
A material that maintains its own persistent magnetic field without the need for an external power source.
Separate Magnet
A standalone magnet that is not electrically connected or influenced by others, used to exert magnetic force or influence in various applications.
Lodestone
Naturally occurring magnetite rock that exhibits magnetic properties, historically used as an early form of magnetic compass.
Naturally Occurring
Referring to substances, phenomena, or processes that exist or take place without human intervention.
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