💎⚙️

#cog #industrial diamond #hard material

🔨⚫️💎

#carbonado #industrial diamond #diamond hardness #cutting tool #abrasive #black diamond

💎🏭

#industrial diamond #boart #bort #diamond industry #abrasive material

💎💪🪨

#hardness #unbreakable #durable #mohs scale #industrial diamond

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#hardness #industrial diamond #adamant