Also known as: PR$, PR., PR-
PR has various meanings in the Coins category. Discover the full forms, definitions, and usage contexts of PR in Coins.
To test a component or system at its peak operating load or pressure. Any reproduction of a die impression in any material; often a lead or plaster cast. also die proof. To verify that a breached lane is free of live mines by passing a mine roller or other mine-resistant vehicle through as the lead vehicle.
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