Air-tight
121Mach Five — For the song by The Presidents of the United States of America, see Mach 5 (song). : For the Mach speed rating system, see Mach numberThe Mach Five (マッハ号; mahha gō ; lit. the Mach ) is the racing car Speed Racer (Go Mifune in the Japanese… …
122Pneumatic motor — The Victor Tatin airplane of 1879 used a compressed air engine for propulsion. Original craft, at Musée de l Air et de l Espace …
123Déjà Vu (2006 film) — Déjà Vu Theatrical release poster Directed by Tony Scott Produced by …
124Heat recovery ventilation — (also known as a heat exchanger, air exchanger or air to air exchanger) is a ventilation system that employs a counter flow heat exchanger between the inbound and outbound air flow. HRV provide fresh air and improved climate control, while also… …
125Radon mitigation — is any process used to reduce radon concentrations in the breathing zones of occupied buildings. Testing ASTM E 2121 is a standard for reducing radon in homes as far as practicable below 4 picocuries per liter (pCi/L) in indoor air. [cite web|… …
126Elevator — For other uses, see Elevator (disambiguation). A set of lifts in the lower level of a London Underground station. The arrows indicate each elevator s position and direction of travel …
127Positive airway pressure — A typical CPAP machine houses the air pump in a case lined with sound absorbing material for quieter operation. A hose carries the pressurized air to a face mask or nasal pillow …
128Dozor-B — KMDB Dozor B Type Light Armored Vehicle Service history In service 2005 Present Production history Designer …
