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12 questions from this quiz
To enhance specific properties
Chromium oxide film
18%
Hygienic and non-reactive surface
Chromium forms new protective layer
Maintains hardness at high temps
Tungsten
Drill bits and power-saw blades
Retains sharpness when heated
High hardness & abrasion resistance
Chromium, tungsten, & manganese
Pressing tools for car door panels
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