Time For Tea Breaks Twice A Day (or coffee or water - with a biscuit or apple or banana or grapes)

Researchers discovered that you can only go without food and water two hours in armaments factories in war time and introduced the two tea breaks a day for elevenses and tea time. That was the innovation of the tea break - not to be kind to workers but to increase productivity. Food and drink are not luxuries but a necessity, like putting petrol in a car.