Leaf blowers are rated by CFM, a measurement of the volume of air that is pushed through the unit. Blowers typically have a CFM between 200 and 800. High CFM ratings from 500 to 800 make it possible ...

Dr Guido Carim Junior, a lecturer in aviation at Griffith University in Australia, says there are four airplane failures that 'are more common than you think'.

You can fix siding with a hammer, but a powered siding nailer will get the job done much faster, and with unbeatable consistency.