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Happy senior science staff women worker work control quality of water in drinking water plant using tablet to record jobs.
Document quality control concept. Magnifying glass focus on correct sign mark with document approve paperless and quality assurance approve. Rules of conduct and policies.
Quality control icon with verified documents. Representing standard assurance, document verification, compliance process, and modern quality management system.
Engineer wearing safety vest controlling machine working talking with assistant engineer worker checking safety first for labour workers. Safety officer check machine in factory.

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