the thing on top of the oven
An extractor is a word for a fan that you often find in bathrooms. An antonym for extractor is introducer.
round the 1980s to 90s
An extractor fan is used for better ventilation and to extract moisture from the room, thus making the air less humid. It also helps to prevent condensation.
Extractor Fan
Extract means "pull out", and a fan in this case is probably a propeller-like thingy used to move air. So an extractor fan is something that's used to draw air away from a certain area.
There are many advantages to having a kitchen extractor fan. Kitchen extractor fans controls humidity and clears odors and fumes caused by smoke from cooking. The fans also helps to slow food spoilage.
through an extractor fan
use a cable that is specified on the fan AC OR DC
Extractor hoods are mechanical fans used to remove grease and fumes from the air. The three main components are grease filters, a capture panel, and a fan for ventilation.
Bathroom extractor fans may be purchased from many plumbers merchants, as well as from specialist bathroom suppliers. They are also available from Screwfix, eBay, Amazon, and Ocean Lighting.
A cooker extractor is a fan that removes smoke from a kitchen over a stove or oven that produces smoke. They are commonly found in commercial kitchens were large amounts of food are prepared.
An extractor fan is used when there is too much vapour and smell in the kitchen while cooking. You switch it on and the fan leads those bad smells outside or eliminates them through a filter.