41. In Britain the word " aqualung " became a generic trademark for open-circuit underwater breathing sets and stayed so for many years. 42. Wearing an aqualung , or SCUBA ( Self Contained Underwater Breathing Apparatus ) and breathing regular air, a diver made it to 525 feet. 43. He co-invented the aqualung , developed a one-man, jet-propelled submarine and helped start the first manned undersea colonies. 44. Anderson had become annoyed with music critics calling " Aqualung " a concept album, which he did not intend it to be. 45. Also on the same DVD, in " Too Late : Frozen ", the intro began with Jethro Tull's " Aqualung ". 46. In November 2005 they played a sold-out concert at the Divino Aqualung in Madrid to a crowd of over 2, 500 people. 47. Aqualungs is a red-and-yellow starfish monster who had the ability to liquify his body, making him a difficult attack target.48. The game is a 2D platformer, like the original Metal Blob Solid, with Bob retaining the jetpack and aqualung from the first game. 49. Aqualung is lone and sick, doomed to " bend to pick a dog-end " ( British slang for a discarded cigarette butt ).50. The aqualung allowed for the first time untethered, free-floating extended deep water diving, and ushered in the modern era of scuba diving.