a machine for washing plates, cups, etc.
dishwasher
the structure that covers or forms the top of a building or vehicle
roof
a piece of electrical equipment in which food is kept cold so that it stays fresh
fridge
not using wires
wireless
energy given out by the sun in the form of heat and light
solar energy
a strange object that some people claim to have seen in the sky and believe is a spacecraftfrom another planet
UFO (Unidentified Flying Object)
a large piece of equipment for cooking food, containing an oven and gas or electric rings on top
cooker
the study and development of computer systems that can copy intelligent human behaviour
AI (Artificial Intelligence)
