How did WW1 and WW2 change this service?
How did this affect Health and Hygiene in UPS?
Prepare a short PPP, min 5 slides.
1 slide: a short history of the service.
1 slide: How the service functioned in WW1 and WW2
1 slide: How did war change/modernise our services?
1 slide: How has this changed health and hygiene?