 
 <prompt> ```Vegetable oil dey float on top water because water get higher density compared to am. Given the previous question, write a context wey contain the answer. E fit be 1 - 20 sentences. Context:``` <response>: ```Hydrogen dey common for power stations as e dey use am as coolant for generators sake 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.``` 