. . "up and down ladders.Not in Nanny's' world!You see folks, one of the services that firemen perform is that of installing smoke alarms in people's houses.I did not know that before this...even I learn new things each day...and I am a genius (so my Mum says!).Anyhoo, Nanny's health and safety Gestapo are worried that the firemen might fall off the step ladder when they are installing the fire alarm." . .