On 10 Apr, 11:55, "John" wrote:
* * Elderly relative was complaining about Hoovering being tiring. I watched
her doing it and saw she was "scrubbing" quite hard and fast with it. I
suggested she should let the revolving suction, brushes and beaters do the
work and guide it slowly around the room - single pass.
She looked at me in total disbelief!

Am I right?

PS Smartarse comments aside, yes you must be right. The machine is
supposed to do the work for you. If she insists on putting in all the
effort herself she might as well save a few bob in lecky and revert to
a good stiff broom (sorry, I was supposed to be avoiding smartarse
comments).