sentence: Paternosters are nearly impossible to use for disabled people.
sentences_before: Paternosters have advantages and disadvantages. As an advantage, it is always possible to take them in either direction. Since the elevator moves at a slow speed, it is slower than a modern elevator. It takes longer to get to distant floors. Also, using a paternoaster takes some training.
concept_name: paternoster
headings: Paternoster
categories: Elevators