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male engineer wearing a vest, glove, helmet for safe, He standing and smiling happily into the factory while his hand is holding the laptop. Hand drawn style vector design illustrations.
worker and engineer using tablet computer for inspection and checking production process on factory station
Residential Decorative Brick and Aluminium Panels Fence Building. Fencing Worker Performing Final Checks.
Indian architect and mature supervisor meeting at construction site. Multiethnic manual worker and engineer discussing on plan. Two construction workers working together while visiting a new building.
Mixer truck pouring cement concrete casting on reinforcing metal bars of sidewalk. Concrete mixer truck, transport and combine cement and water in revolving drum. Worker using shovel and scoop at work

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