sentence: Climbers climb up and down the cable with cargo.
sentences_before: There are a variety of space elevator designs. Almost every design includes a base station, a cable, climbers, and a counterweight. Earth's rotation creates upward centrifugal force on the counterweight. The counterweight is held down by the cable while the cable is held up and taut by the counterweight. The base station anchors the whole system to the surface of the Earth.
concept_name: climber
headings: Space elevator Structure
categories: Exploratory engineering Megastructures Space colonization Spacecraft propulsion Spaceflight technologies Vertical transport devices Space access Hypothetical technology Emerging technologies