| http://www.w3.org/ns/prov#value | - If not caught, such mistakes could cause device failure in the field.???The whole concept of x-ray is that it picks up differences in material density, whether that difference is a void, an air bubble, an air pocket, or a crack in any material: metal, plastic, aluminum, iron, or steel,??? explains Vikram Butani, company president. ???You just need varying levels of x-ray intensity to penetrate the
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