Silo One’s elevators move people and supplies between levels; Charlotte sends a blood-smeared lift upward after her escape.
The lifts connect Silo One’s floors, with a non-express service carrying people and supplies and an express connecting the office level to lower Medical. Troy notices seventy numbered buttons and years of wear he cannot remember. A lift carrying him responds to another call when he chooses no destination.
During Charlotte’s escape, the lift requires an ID scan before she can select a destination. She leaves its buttons covered in blood and sends it to the top level.
A lift panel has seventy numbered floor buttons, many visibly worn. The lift Charlotte leaves now has blood-covered buttons.
Vertical transport within Silo One, including an express route and an ID-controlled lift used during Charlotte’s escape.
Also appears in books you've already read — spoiler-safe to their endings: