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The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is

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The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is Answer: cermet, carbide, ceramic, borazon

Question context

This question is part of ⚙️ Mechanical Eng within the broader 🛠️ Engineering Essentials subject and appears in the DemoPaper-Pakistan preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.