Worker Using Flashlight to Inspect Water Flow Inside Concrete Drainage Tunnel
Schlüsselwörter
boot,
civil engineering,
clipboard,
concrete,
construction,
culvert,
drainage,
engineer,
engineering,
flashlight,
flooded,
hard hat,
industrial,
infrastructure,
inspection,
maintenance,
protective clothing,
public works,
safety,
safety equipment,
sewer,
technician,
tunnel,
underground,
water
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