... ,a fan with 50 watts,a colourfull TV set with 70 watts,a computer,a washing machine with 300 watts,a pump with ... fan with 50 watts, a colourfull TV set with 70 watts, a computer, a washing machine with 300 watts, a pump with 200 ... , four hours for a TV set, four hours for a computer, half one hour for a washing machine and half one hour for ...