General Studies · Welding and Soldering
सोल्डरिंग आयरन बिट्स बनाने के लिए निम्नलिखित में से कौन सी पसंदीदा सामग्री है?
- 1लोहा (आयरन)
- 2टिन
- 3तांबा (कॉपर)✓
- 4मैग्नीशियम
सही उत्तर देखें
तांबा (कॉपर)
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