railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Fitter Safety

उष्णता इंजिनसह काम करताना यापैकी कोणती सुरक्षा उपकरणे वापरावी लागतात?

1
गॉगल
2
एप्रन
3
डिस्पोजेबल हातमोजे
4
एकूणच कोट
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