Ask and answer about the uses of the new inventi ...

air conditioner: keep air cool/warm when it's hot/cold.

fridge

iron machine: iron clothes, remove wrinkles/creases from clothes/ make them neat and smooth

cell phone: talk ...

washing machine

TV: watch ... / learn ....

fax machine: send/receive (letter/picture) quickly.

dishwasher

electric cooker: cook (rice, fish, meat, ...)/ keep food warm

computer: study, watch, learn, ...

radio: listen .... / learn ......