A.What's a coffee machine used for?
B.It's used for making hot coffee.
A.What does a kettle do?
B.A kettle boils water.
A.What is a toaster then?
B.A toaster toasts bread.
A.What is a mixer used for?
B.A mixer is used for mixing different juices, or fruits etc.
A.What is a juice exctractor used for?
B.A juice extractor takes the juice from a fruit or a vegetable.
A.What's a cooker used for.
B.A cooker is used for cooking different meals.