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engineer in uniform wearing gloves collects used motor oil sample using vacuum pump and hose for laboratory analysis. concept of industrial research, lubrication testing, and quality control in automotive maintenance workshop. - reference materials stock videos & royalty-free footage
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Engineer in uniform wearing gloves collects used motor oil sample using vacuum pump and hose for laboratory analysis. Concept of industrial research, lubrication testing, and quality control in automotive maintenance workshop.
Examining, Laboratory, Transportation
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