 
 <prompt> Wetin dem dey call column of rising air wey birds dey use fly high? Given di last question, write small tori wey contain di answer. <response>: Hydrogen dey common for power stations as e dey cool generators because of di number of good properties wey dey come from di light diatomic molecules. Dem include low density, low viscosity, and di highest specific heat and thermal conductivity of all gases. 