If the grime is sticking stubbornly, use a hob scraper (a small tool with a retractable blade, which you can buy for less than £5) to carefully remove the greasy build-up on the light-bulb cover. Do ...

The cooker hood is a wonderful invention for removing excess fumes and steam from the kitchen. But like all electrically-powered devices, it only works when it is turned on. This was the problem ...