Computer · Building Materials
पिटवां लोहे (Wrought iron) में आमतौर पर कार्बन की मात्रा कितने प्रतिशत तक होती है?
- 12.00%
- 21.50%
- 31.00%
- 40.25%✓
सही उत्तर देखें
0.25%
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