(n) soundproof room
(n) a fire door
(n) a firebreak
(n) fire door
(n) firewall
(n) heavy outfit designed to keep out the cold
(n) arctic boots
(n) arctic clothes
(n) air-raid shelter
bomb shelter
(n) air defense artillery
air defence artillery
(n) earned run average
ERA
(n) protective wall
(n) stand of trees planted to control the movement of sand
(n) prevention measure
preventive measures
(n) anti-.. law
(n) a dessicant
dessicating agent
(n) deodorant
deodorizer
deodoriser
(n) an anti-corrosive (agent)
(n) an anti-corrosive (agent)
(n) cleanroom
(n) dustproof clothing one would use in a cleanroom
(n) watertight door
(n) waterproof cloth
(n) snowbreak (forest)
(n) an anti-submarine net
(n) Department of Defense (Defence)
(n) insecticide
vermicide
(n) tide embankment
seawall
(n) Secretary of Defence (Defense)
(n) gas mask
