m metal processing plants Disposal of electronic waste Sustainable Practices: Recycling metals reduces environmental impact Developing eco-friendly extraction techniques Promoting the use of renewable materials Conclusion
such as preheating, post-weld heat treatment. Cracking and Defects: Types (hot crack, cold crack, porosity, inclusions) and strategies for prevention. Alloy Selection and Compatibility: Ensuring the weld metal and base metal interact favorably under specific service
tals. Disadvantages: Energy-intensive and expensive; requires significant electrical power. 3. Bioleaching (Bacterial Leaching) Bioleaching uses bacteria to extract metals from ores, especially low-grade ores where traditional methods a
