धातु, मशीन, इस्पात, स्ट्रिप्स, धातु स्ट्रिप्स, स्टील स्ट्रिप्स, उद्योग, अभियांत्रिकी, काला और सफेद, एक रंग का, काली
Public Domain
प्रासंगिक तस्वीरें
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