filtering sand

A control panel with its array of monitoring lights sits baking in the sun beside broken bags of filtering sand.

The destroyers were equipped with heavy-duty air conditioning and were also well suited to filtering sand and the results from NBC warfare.

Subsequent to this, the U.S. Navy elected to commission her for service in the Persian Gulf and Mediterranean Sea, as she was equipped with heavy-duty air conditioning and was also well suited to filtering sand and the results from NBC warfare.