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BREWER, Maine (NEWS CENTER) --Letter Carriers are just one group of people who must be outside to earn their livelihood, and so when it gets this cold, they prepare.

Chances are you have seen someone doing one of these two jobs on a daily basis. It's rare that weather will prevent them from being able to do their job on a given day.

Richard Garanthas been with theUnited States Postal Service for 27 years and can recall just a handful of times where work had been canceled due to weather. One of those times was because of a hurricane.