as air pressure surrounding a flexible container decreases , that flexible container will expand
flexible_container is not flexible_thing. aerosol_can is not pressure_barrier_container. pressure_barrier_container is container. non_resealable_storage_can is not pressure_barrier_container. aerosol_can is pressure_barrier_container. flexible_container is container_product. flexible_container is not container_product. flexible_container is flexible_thing. pressure_barrier_container is not container. non_resealable_storage_can is pressure_barrier_container.