A man with a white shirt and rubber boots is climbing on tanks in order to retrieve items from a specific tank .
It is impossible that the plumber is trying to find a ring that was flushed down the drain .
It is impossible that the plumber is trying to find a ring that was flushed down the drain .
We believe that the plumber is trying to find a ring that was flushed down the drain .
The plumber is trying to find a ring that was flushed down the drain .