Chemistry · Forensic Science
स्मिथ एंड वेसन सिग्मा (Smith & Wesson Sigma) पिस्तौल पर मिटाए गए लेज़र-नक्काशीदार बार कोड को पुनर्स्थापित (restoration) करने की सबसे प्रभावी विधि कौन सी है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1हीट एचिंग (Heat etching)✓
- 2चुंबकीय कण विधि (Magnetic particle method)
- 3इलेक्ट्रोपॉलिशिंग (Electropolishing)
- 4एसिड एचिंग (Acid etching)
सही उत्तर देखें
हीट एचिंग (Heat etching)
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