As nouns the difference between terms and vanning
is that terms is while vanning is (mining) a process by which ores are washed on a shovel, or in a vanner.
terms
English
Noun
(head)
Statistics
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vanning
English
Noun
(
-)
(mining) A process by which ores are washed on a shovel, or in a vanner.
(
Webster 1913)