Keywords: Canned-air.jpg Canned Air and similar cans of pressurized gas are sold in computer and general stores and used principally for the purposes of blowing a gas through a nozzle the long thin pipe for example between the keys of a computer keyboard in order to clear out dust and crumbs Unfortunately some people inhale the gas to get a temporary high They do not realize it is dangerous because they mistakenly believe the can contains nothing but air This is wrong Like many pressurized containers it contains a propellant such as freon a poisonous substance and sometimes other dangerous substances Keywords Canned Air Dust-off Computer cleaner computer blower spray duster blower keyboard cleaner Air-blower inhalent dangerous poisonous do not breathe freon pressurised gas pressurised air substance abuse Although trademarked Original upload log en wikipedia Teetaweepo page en wikipedia Canned-air jpg 2007-05-31 22 48 Although 2 592 × 1 944 1 25 MB <nowiki> Canned Air and similar cans of pressurised gas are sold in computer and general stores and used principally for the purposes of blowing air through a nozzle the long thin pipe between the keys of a computer keyboard in order to clear out dust and crumbs Unfortunately many children typically aged around 14 inhale the gas to get a temporary high They do not realise it is dangerous because they mistakenly believe the can contains nothing but air This is wrong Like many pressurised containers it mainly contains a propellant such as freon a poisonous substance and similar dangerous substances Keywords Canned Air Dust-off Computer cleaner computer blower spray duster blower keyboard cleaner Air-blower inhalent dangerous poisonous do not breathe freon pressurised gas pressurised air substance abuse I the copyright holder of this work hereby release it into the public domain This applies worldwide 31 May 2007 Although </nowiki> Spray cans Cleaning equipment Pressure vessels |