General Studies · Metrology and Inspection
मैट्रोलॉजी प्रयोगशालाओं में उपयोग किए जाने वाले एंगल गेज (कोण गेज) आम तौर पर किस सामग्री से निर्मित होते हैं?
- 1प्लास्टिक
- 2लकड़ी
- 3कठोरीकृत इस्पात (Hardened steel)✓
- 4कार्बन फाइबर
सही उत्तर देखें
कठोरीकृत इस्पात (Hardened steel)
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