Tornadoes have been compared to vacuum cleaners, through a blender would also be something of an appropriate comparison.
A tornado can be compared to a vacuum cleaner because both create a powerful, swirling force that can cause significant damage in their path.
Copper is a metal that shares its name with a household appliance, which is a "copper kettle."
...appliance?
The answer is SAECO
Perhaps a blender.
A kettle is a household appliance used to boil water.
You can purchase household appliance insurance from many places. Typically, the manufacturer provides a 1+ year warranty for appliances. However, the store you bought your appliance from may also provide extended warranties.
A washer breaker in a household appliance is a safety device that helps protect the appliance and the electrical system from damage caused by electrical overloads or short circuits. It automatically shuts off the power to the appliance if it detects a problem, preventing potential hazards such as fires or electrical shocks.
The washing machine
I do not see an example.
Before the introduction of the hair dryer in1920 what common household appliance was promoted for its hair-drying ability?
That all depends on what type of household appliance you are looking at. There are refrigerators, washer, dryer, oven, stove, and many other things. And they will be as cheap as $20 all the way up to $1000s of dollars.