Perhaps send an inspector to the sites to review certifications and inspect safety habits.
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They sent their inspector in and found problems.
Times, Sunday Times
She sent her inspectors in to find out what was really going on.
Times, Sunday Times
The board even sent an inspector to yesterday's press conference announcing the bout to weigh him.
Times, Sunday Times
They would be sending an inspector out, they said, to check whether pictures captured by their 'remote sensor' matched the reality on the ground.
Times, Sunday Times