Nitrous Oxide

http://ru.wikipedia.org/wiki/%D0%9E%D0%BA%D1%81%D0%B8%D0%B4_%D0%B0%D0%B7%D0%BE%D1%82%D0%B0%28I%29ochen' ne ploho. prodaiotsia v bankah shtoby chistet' electroniku ot pyli i t.d.oshushenie kak budto telo letaet v vozduhe. dlitsia ne dolgo no ne ploho.