3D printer किस प्रकार की manufacturing करता है?

Type: MCQ • Marks: 1

A. केवल subtractive manufacturing

B. Additive manufacturing

C. केवल forging

D. केवल welding

Explanation

व्याख्या: 3D printing में वस्तु को सामग्री की परतें जोड़कर बनाया जाता है, इसलिए यह additive manufacturing है।

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Class 9th कौशल विकास

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