Depending on how well youâve kept up with fire extinguisher maintenance, your portable fire extinguisher should last, essentially, forever. If youâve had the same fire extinguisher for a long time (10-12 years),one way to test its condition ) is to have it hydrostatically tested. A hydrostatic test exposes your fire extinguisher to high pressure (usually 500psi) to check the integrity of the shell.
Jingle Bells was the first song broadcast from space, in a Christmas-themed prank by Gemini 6 astronauts Tom Stafford and Wally Schirra. While in space on December 16, 1965, they sent this report to Mission Control : Gemini VII, this is Gemini VI.
What was the first song ever recorded? Mary had a little lamb by thomas Edison Correction: In March 2008 a recording by Frenchman Edouard-Leon Scott de Martinville of a woman singing 'Au Clair De La Lune' was disc â¦ overed in an archive in Paris by a group of American audio historians.hat was the first song ever recorded? Mary had a little lamb by thomas Edison Correction: In March 2008 a recording by Frenchman Edouard-Leon Scott de Martinville of a woman singing 'Au Clair De La Lune' was disc â¦ overed in an archive in Paris by a group of American audio historians.