Respirator

Respirator use, it seems, would have been acknowledgment that the air near the spill was full of pollutants, and it would have been caught on camera, while BP was facing litigation from many corners. -end

Susan Buchanan: BP Spill Workers Seek Care as Health Study Progresses Susan Buchanan 2011

His 1939 invention, the Lambertsen Amphibious Respirator Unit, or LARU, is considered a forerunner of the scuba technology used today.

Christian J. Lambertsen, OSS officer who created early scuba device, dies at 93 2011

It's not a bad idea to have a supply of N95 Bacterial Respirator masks on hand though.

Pork! Walter Jon Williams 2009

I go to the right aisle and pick out a decently priced pair of 3M Latex Paint and Odor Respirator with Valve masks.

Confusing: Paint Mask Should Not Be Used With Paint? - The Consumerist 2008

Respirator or a face shield with a fine dust filter

8. Pest control using insecticides 1996

_ -- A knitted Respirator, to be worn in the House.

Punch, or the London Charivari, Volume 102, April 30, 1892 Various

The use of Blue Cross compounds by Germany in the summer of 1917 rendered this matter more urgent, and a special filter jacket was designed which fitted round the Small Box Respirator.

The riddle of the Rhine, chemical strategy in peace and war ... 1921

Towards the end of the war, when the French and British production improved, and with the entry of America and the promise of supplies therefrom, it was possible to assist the Italians from Allied sources, and arrangements were made to supply them with the British Respirator, to assist them in the development of the Livens Projector, to supply large quantities of mustard and other gases, and to assist them in production.

The riddle of the Rhine, chemical strategy in peace and war ... 1921

It became necessary in the spring of 1917 to provide more efficient protection against irritating smokes which tended to penetrate the respirator as minute particles, and the first form consisted in the use of two layers of cotton wadding in the canister of the small Box Respirator.

The riddle of the Rhine, chemical strategy in peace and war ... 1921

The issue of the large Box Respirator commenced in February, 1916.

The riddle of the Rhine, chemical strategy in peace and war ... 1921