Harris Building is the only building on that side of campus that does not contain vending machines.
During breaks the closest place to get a drink or a snack is Foster refactory, if it is open, otherwise it will be Foster social space. There is not enough time to make the trip there and back and make the purchase during a short break.
This issue could be easily solved by adding vending machines on the first or second floor foyers.
Access to these machines is not just a matter of convenience, but can be a huge boon to people with medical conditions and low energy.